define genetic drift​

Answers

Answer 1

Answer:

the change  in the relative frequency of different genotypes in a small population

Explanation:

Answered by the one and only #DrippQueenMo

Answer 2

Answer:

variation in the relative frequency of different genotypes in a small population, owing to the chance disappearance of particular genes as individuals die or do not reproduce.

Explanation:

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Related Questions

What does the S phase of interphase have to do with DNA replication?

Answers

Answer:

The sister chromatids remain joined together until mitosis, when they segregate into two daughter cells.

Explanation: i am sorry if this is wrong

PLEASE HELP THIS IS DUE IN AN HOUR
Veins have all of the following characteristics: (choose 4)
A)Large lumen (space inside the vessel)
B) Thick walls
C) valves
D) small lumen (space inside the vessel)
E) thin walls
F) one cell thick
G) low blood pressure

Answers

Answer:

A. Large lumen

C. Valves

E. Thin walls

F. One cell thick

*let me know if I got anything wrong, I doubled checked it :))

Answer:

A,C,E,G

Explanation:

What are the SIX parts of a DNA molecule?\

Answers

Answer:

DNA is made up of six smaller molecules -- a five carbon sugar called deoxyribose, a phosphate molecule and four different nitrogenous bases (adenine, thymine, cytosine and guanine)

Explanation:

.

Now I know that my sense organs enable me to ______________.

Answers

Answer:

Now I know that my sense organs enable me to Feel

WILL GIVE BRAINLIEST!
Consider the attached genetic code chart and the following DNA sequence.

DNA sequence 3' TAC GGG AGT CTT TCC ACT 5'

What would be the mRNA sequence?

What would be the amino acid sequence?

What would occur to the amino acid sequence if the following mutation (G --> C in bold below) were to take place?

DNA sequence 3' TAC GGG ACT CTT TCC ACT 5'

What type of mutation is this?

Answers

Explanation:

TAC GGG AGT CTT TCC ACT -DNA

AUG CCC UCA GAA AGG UGA -mRNA

Met Pro Ser Glu Arg Stop -Amino acid sequence

Can't see the bold :/

Insertion mutation I believe.

A codon chart can be used to read the genetic code. To utilize this chart, start by finding the first codon nucleotide, then the second, and finally the third. The chart will then show which codon codes for the amino acid. Because the genetic code is degenerate, there are several codons for each amino acid.

What role of genetic code in DNA sequence?

The genetic code serves as the body's language for converting the DNA instructions from our genes into the constituent parts of life. It is typically discussed using the “codons” found in mRNA since mRNA is the messenger that transmits information from the DNA to the site of protein production.

Therefore, TAC GGG AGT CTT TCC ACT -DNA

AUG CCC UCA GAA AGG UGA -mRNA

Met Pro Ser Glu Arg Stop -Amino acid sequence

Insertion mutation.

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how do the kidneys and the bladder work together??

Answers

Answer:

From the kidneys, urine travels down two thin tubes called ureters to the bladder. The ureters are about 8 to 10 inches long. Muscles in the ureter walls constantly tighten and relax to force urine downward away from the kidneys. If urine is allowed to stand still, or back up, a kidney infection can develop.

Explanation:

1.

2.

Which process is represented

inside the dashed circle?

A. Evapotranspiratio

n

B. Precipitation

C. Runoft

Infiltration

After clouds are formed through condensation, what process can

happen next?

A. Evapotranspiration

B. Precipitation

C. Runoff

D. Infiltration

Erica notices her bedroom windows have water droplets on them

even though it didn't rain. What is the likely cause?

A. Condensation

B. Infiltration

OUTPUT

C. Sublimation

STATION

D. Evaporation

3.

Answers

Answer:

1. D

2. B

3. A

Explanation:

The dashed circle indicates the process of infiltration because the water of precipitation goes inside the soil. Infiltration is the process in which water enters the soil through small opening present on the earth surface. When the clouds are formed, precipitation occurs in the form of rainfall and snowfall. Condensation is a process in which water vapors change into liquid when the environment has low temperature or cool so condensation occurs on the windows of Erica.

How has the human population changed over time?
A. It has slowly decreased
B. It has slowly increased
C. In recent years it has exponentially increased
D. It has remained the same for thousands of years

Answers

Answer:

the answer is letter B..

B because we are over populated

Almost all the energy and associated biomass in Earth's ecosystems comes from the
Sun. Which of the following is NOT true regarding energy transfer through an
ecosystem?
A
Decomposers recycle the matter contained by the dead biomass and waste and
make it available for use by producers and other consumers.
Ninety percent (90%) of the available energy is transferred from one trophic level
to the next. About 10 percent (10%) is lost to the atmosphere as heat.
с
Ecosystems sustain themselves by continuously cycling matter through the
trophic levels and capturing energy from the Sun or Earth and transferring it up
the food chain.
D
Energy flows from the Sun or from rocks through the primary producers and the
successive levels of consumers.

Answers

Answer:

D . Energy flows from the Sun or from rocks through the primary producers and the  successive levels of consumers.

Explanation:

Energy flows only through the sun not the rock because sun is the ultimate source of energy which can be used by the plants for making their own food in the form of glucose during the process of photosynthesis. This plant is then eaten by primary consumer known as herbivore. These primary consumer is eaten by secondary consumer is called carnivores. The tertiary consumer feeds on the secondary consumer and so on. In the end, decomposers feed on the dead bodies of animals and releases nutrients which can be used again by the plants for making food.

Which of the following conditions are required for natural selection?

I. overproduction of offspring

II. competition for resources

III. genetic variation

IV. natural disasters

Answers

Answer:

I think the answer is III. genetic variation


The oxygen and carbon dioxide exchange that occurs during photosynthesis and respiration help to

Answers

release carbohydrates

The oxygen and carbon dioxide exchange that occurs during photosynthesis and respiration aid in the release of carbon dioxide and the utilization of oxygen produced by the photosynthetic process.

What is the significance of respiration and photosynthesis?

The photosynthetic process is the one that can make oxygen as a product, and later that oxygen is used by plants and other animals in the process of respiration, which is essential for life as the cell makes energy in this process. Plants and other chloroplast-containing photosynthetic organisms, such as blue-green algae, phytoplanktons, etc., can produce oxygen, which is then used in respiration to power the cell's activities.

Hence, the oxygen and carbon dioxide exchange that occurs during photosynthesis and respiration aid in the release of carbon dioxide and the utilization of oxygen produced by the photosynthetic process.

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Having studied tectonics in school, Roberto grew interested in tectonic plates and how they move. Plates move in different ways along plate boundaries.

What determines how the plates interact at their boundaries?
A. the materials the plates are made of
B. the difference in thickness of the plates
C. the kind of plates they are and whether they keep moving
D. the kind of boundary and the directions in which the plates are moving

Answers

Answer:

Suppose we add up alternate Fibonacci numbers, Fn-1 + Fn+1; that is, what do ... L(1)=1 and L(3)= 4 so their sum is 5 whereas F(2)=1; L(2)=3 and L(4)= 7 so their ... What is the relationship between F(n-2), and F(n+2)? You should be able to find a ... Fib(N); K (an EVEN number!), Lucas(K) and Fib(K) in each expression like ...

Explanation:

The kind of boundary and the directions in which the plates are moving determines how the plates interact at their boundaries. Therefore, option (D) is correct.

What is plate tectonic?

There are two main categories of tectonic plate interactions: Divergent boundaries are places where plates separate from one another, creating rift valleys or mid-oceanic ridges. Additionally called as constructive borders, they are. Areas where plates move toward one another and clash are known as convergent borders.

The movement of plates, known as plate tectonics, has a significant influence on our globe even though they move extremely slowly. Mountains, continents, and seas are created by plate tectonics. It also enables us to comprehend the causes and locations of occurrences like earthquakes and volcanic eruptions.

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HELP I NEED HELP ASAP HELP I NEED HELP ASAP HELP I NEED HELP ASAP HELP I NEED HELP ASAP HELP I NEED HELP ASAP

Answers

C I think I’m not very sure but

Heeey. Gving brainliest quick and simple please help.

The Theory of Evolution states that the first living organisms were a combination of all of the following EXCEPT:
A. lava.
B. sunlight.
C. a chemical soup.(not the answer i got it wrong first try)
D. water.

Answers

Answer:

A - Lava

Explanation:

Prokaryotes were the earliest life forms, simple creatures that fed on carbon compounds that were accumulating in Earth's early oceans. Slowly, other organisms evolved that used the Sun's energy, along with compounds such as sulfides, to generate their own energy.

Answer:

lava

Explanation:

i ✨think✨

Although longitudinal waves can travel through all media types, what is the disadvantage of this type of wave transmission? Particles become too close together as they bump into each other making it more likely to hit other particles down the line. The waves travel in all directions which does not ensure that it will come into contact with particles down the line. The efficiency of the wave transmission is greatly diminished as the media becomes less dense. The oscillation of one set of particles has a huge impact on neighboring particles.

Answers

Answer:

The efficiency of the wave transmission is greatly diminished as the media becomes less dense.

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what are the 3 functions of the skeleton

Answers

Answer:

the 3 functions of the skeleton is it allows movement, makes blood cells, and provides protection for the human body.

Explanation:

hope this helps

Structure/support/movement, making blood cells, and protection of the organs

Scientists have observed that new crust, such as mid-ocean ridges, is formed where two plates are moving away from each other. Based on this observation and the data on the maps, where do you suspect that old crust is destroyed and recycled? Provide three specific locations on the map where you think this process is occurring

Answers

Answer:

Old crust is destroyed at boundaries where two plates are moving toward each other, or converging. Specific examples include the Australian and Pacific plates, the Caribbean and Cocos plates, and the southwest corner of the North American plate and the Pacific plate.

Explanation:

How can a gene that contains introns be made shorter for genetic engineering purposes? What does it use and how does it use it?

Answers

Answer:

reverse transcriptase to reconstruct the gene from its mRNA

Explanation:

Genetic engineering may be defined as the process of using the recombinant DNA (rDNA) technology in order to alter the genetic makeup of the organism. It is also called as the genetic modifications. It uses the science of biotechnology to modify and manipulate the genes of an organism.

A gene containing introns can be made shorter and still remain functional for the genetic engineering purposes by using the reverse transcriptase for reconstructing the gene from the mRNA.

It uses the reverse transcriptase of the mRNA.

Which of these most likely explains why the bacteria population stopped
growing?

A. The bacteria came in contact with a virus that killed off the population.

B. The bacteria could not produce any longer because the population was too large.

C. The bacteria competed for nutrients and died after all of the nutrients were
consumed

D. The bacteria evolved into another organism.

Answers

Answer:

C. The bacteria competed for nutrients and died after all of the nutrients were

consumed

Explanation:

Since no other materials were added, this option makes the most sense.

Describe an experiment to show that
Shoots are positively phototrophic.​

Answers

Answer:

A well-watered potted plant is placed inside the box. If the window is kept closed for about 24 hours the plant shows normal growth. If the window is kept open, it is found after two days that the shoot tip bends and grows towards light proving that it is positively phototropic.

Explanation:

Hope this helps! Brainliest pls?

How is the sense of touch different from the other senses?

Answers

Answer:

Touch is, in several ways, seemingly different from these other senses, however. For one thing, touch does not seem to have a single sense organ. ... Instead, the skin contains many different sensory systems. Many of them, like those that code for pain and itch, do not seem to be tied directly to the sense of touch.

Explanation:

Touch is often classified as one of the traditional five senses, along with sight, hearing, smell, and taste. Touch is, in several ways, seemingly different from these other senses, however. For one thing, touch does not seem to have a single sense organ. ... Instead, the skin contains many different sensory system

what is the significance of pH?

Answers

answer is: pH is an important quantity that reflects the chemical conditions of a solution. The pH can control the availability of nutrients, biological functions, microbial activity, and the behavior of chemicals.
pH is an important quantity that reflects the chemical conditions of a solution. The pH can control the availability of nutrients, biological functions, microbial activity, and the behavior of chemicals.

Could anyone put these in order?

Answers

I believe it's D, A, F, C, E, B

A food web is more realistic because a snake
A. has multiple adaptations

B. eats more than just frogs

C. just feeds on birds

Answers

Answer:

B. eats more than just frogs

Explanation:

A food web is more realistic because a snake eats more than just frogs

A food web is more realistic because a snake eats more than just frogs. The correct option is B.

What is a food web?

A food web is a network of interrelated food chains that represents the movement of materials and energy within an ecosystem. In a food chain, the various arrows symbolize the various species that are being consumed by one another and so represent the flow of energy. Additionally, it shows that an animal can eat a variety of foods.

Food chains that are linked together form food webs. In a food chain, arrows point from the organism being eaten to the organism eating it.

The energy flow in a food web is depicted by arrows. Food webs display every form of eating in an environment.

Thus, the correct option is B. eats more than just frogs.

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Please only respond if you know the answer and links will be reported

Answers

Answer:

Your answer is D. Proteins

Explanation:

Carbon is found in A,B, and C.

Any one please help ASAP no links please

Answers

Answer:

The net force on the vehicle is 1534

Explanation:

I am not always accurate but I hope this helps!

An object has less weight on the Moon than it has on Earth. What causes this difference?
a. increased friction
b. the lack of an atmosphere
c. a decrease in gravity
d. the lack of water

Answers

It is c.a decrease of gravity!!

4.) Why would a fetus who is born at the beginning of the third trimester have a difficult time surviving?

Answers

Because the lungs are not fully developed yet. The fetus couldn’t breath on its own without medication that is given in cases of premature birth. And even then, it would be difficult. So after that, they can intubate the infant, but there’s a chance that could be too much on the premature heart.

What is the worst kind of pollution? air pollution, water pollution, or land pollution? Defend your answer. (Please explain why you think it is the worst kind of pollution)
Thank you.

Answers

Answer:

i think air pollution

Explanation:

of course the other two pollutions are harmful but with air pollution the harmful chemicals are going straight into your respiratory system. this is why people in asia wear masks, there’s so many harmful chemicals in the air from the factories.

3. What is an embryo?

a. a small, adult organism

b. a fully developed organism

c. an early stage in the development of an organism

d. the gamete of an organism

Answers

Answer:

c. an early stage in the development of an organism

Explanation:

Answer:

c. an early stage in the development of an organism

Explanation:

In general, in organisms that reproduce sexually, embryonic development is the part of the life cycle that begins just after fertilization and continues through the formation of body structures, such as tissues and organs

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