Biology College

You are looking at the color of feathers in ducks and find that Green feathers (G) are dominant to yellow feathers (g). However, a second gene, H, controls whether the color will be expressed in the feathers. If the duck is hh, the duck will always be white, because the pigment does not go into feathers. What ratio of phenotypes in the progeny would you expect following a dihybrid cross

Answers

Answer 1

Answer:

Option C , 9:3:4

Explanation:

The options for the questions are there in the attachment

Solution-

This is the case of recessive epistasis in which recessive allele has a masking effect on  alleles G and g.

GgHh * GgHh

The offspring will be

GH Gh gH gh

GH GGHH GGHh GgHH GgHh

Gh GGHh GGhh GgHh Gghh

gH GgHH GgHh ggHH ggHh

gh GgHh Gghh ggHh gghh

Green colored - 9

Yellow colored - 3

White colored- 4

You Are Looking At The Color Of Feathers In Ducks And Find That Green Feathers (G) Are Dominant To Yellow

Related Questions

A Phylum is a more broad taxonomic category than an order.
O True
O False

Answers

True.

Hope this helps. :)

A pea plant with purple flowers and green pods is crossed with a plant that has white flowers and yellow pods.All the offspring have purple flowers and green pods .If two of these F1 are crossed what phenotypes will be seen in the F2 generation

Answers

Answer:

in the next generation 75% of the plants will have purple flowers and 25 percent will have white flowers

Also 75% of the flowers will have green pods and 25% of the flowers will have yellow pods

Explanation:

What are the three stop codons?

Answers

Answer:

Explanation:

Just doing this to get points see yah later

Answer:

UGA, UAA, and UAG are stop codons.

Explanation:

18. Marlon took the microscope and observed a sliced plant leat. He switched it into 100% magnification and saw
a green pigment. In which part of the plant cellis it found?
a nucleus b. mitochondrion G chloroplast d. lysosome​

Answers

Answer:

chloroplast

Explanation:

its is the green pigment in the plant. it allows photosynthesis to take place

PLS HELP IM IN A TEST

crickets determine their sex in offspring with the X0 system. If a female cricket has 22 total chromosomes, including autosomes and sex chromosomes, the male must have ______ total chromosomes

A) 23
B) 22
C) 11
D) 21

Answers

The male would have 22 also

in a cladogram-
A. the most ancient organism, called the origin, are found at the very base of the tree diagram
B. The closer the branch point is to an organism, the more related those organisms are
C. neither A nor B are true
D. both A and B are true

Answers

Answer:

its A

Explanation: its a

Why do Sea Spiders get so BIG? Give 2 Reasons:
I

Answers

Scientists have suggested that these examples of gigantism are possible because of the extreme cold found in these waters.
They get big because 30 million years ago, the Southern Ocean got cooler. Another reason why they get so big is because,they are used to the water from 30 million years ago. They also can cover more ground in the water as they are walking.

2. A man has type A blood and his wife has type B blood. A physician types the blood of their four children
and finds that each of the children has a different blood type. What are the genotypes of the parents? How
would you explain that all four blood types could be represented by these four children?

Answers

Answer:

A person with type A blood receiving a transfusion of type B or AB blood would have an ABO incompatibility reaction. In an ABO incompatibility reaction, your immune system attacks the new blood cells and destroys them. If you have type AB blood, you have both A and B antigens .

hope it will help .

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If a flower is wilting, which structure inside its cells lacks water?


vacuole

cell wall

carpel

chloroplast

Answers

Central vacuole lacks water so just write vacuole

Answer:

Vacuole

Explanation:

The central vacuole stores water in the cell and helps maintain water pressure, or turgor pressure, within the cell. The plant wilts because the central vacuole is empty and the cell is partially collapsed. Once the plant is watered and the central vacuole is full again, the plant will return to its normal position and appearance.

Cancer is often characterized by tumors. Which would most likely trigger the formation of a tumor?

Answers

Answer:

When cancer cells begin new tumors far from the primary tumor, metastasis has occurred.

maslows theory of self actualization

Answers

Answer: OK Maslow's quote refers to self-actualization, which is the highest level or stage in his model of human motivation: the 'Hierarchy of Needs'. According to the hierarchy of needs, self-actualization represents the highest-order motivations, whiSelf-actualization, in psychology, a concept regarding the process by which an individual reaches his or her full potential. ... Similar to Goldstein, Maslow saw self-actualization as the fulfillment of one's greatest potential.ch drive us to realize our true potential and achieve our 'ideal self'.

hope this helps have a nice day❤️

Explanation:

Darwin noticed that animals on the different islands of the Galapagos appeared to be adapted
to what? *
(10 Points)
O A. differences in their food
O B. differences in their predators
O C. differences in their altitude
D. differences in temperature
WILL GIVE BRAINLIST

Answers

A. They had different types of food. This resulted in many different breeds of finches.

Using the following table what are food groups present in a chicken ? (Check ALL correct answers


1 Protein

2Starch

3Sugar

4Fats

Answers

Answer:

protein and fats is the answer

Answer:

protein and fats

Explanation:

Because that is what ppl take in the gym protein shake

Leona drew a diagram to compare ginkgoes and conifers.



Which characteristic belongs in the area marked X?

are deciduous
produce cones
look like palm trees
are the largest group

Answers

Answer:

A. are deciduous

Explanation:

Ginkgo trees are broadleaf trees or deciduous trees.

Answer: The answer is A .Are deciduous

Explanation:)  Hope this helps brainliest would be appreciated

:);):);)

Identify the Kingdom:

Eukaryotic
Nucleus
Most Multicellular/Some Single Celled
Have a Cell Wall
Heterotrophic
No Chloroplasts
Feed by absorbing nutrients from decaying matter

a) Protista
b) Animalia
c) Fungi
d) Eubacteria
e) Plantae
f) Archaebacteria

Answers

Answer:

Kingdom Fungi

Explanation:

Fungi are characterized as eukaryotic, unicellular or multicellular, having cell wall, lack chloroplast and take food by absorption.

What is something you learned about movement across the membrane

Answers

Answer:

Membrane transport is essential for cellular life. As cells proceed through their life cycle, a vast amount of exchange is necessary to maintain function.

Explanation:

what is the main way viruses cause diseases in the body?​

Answers

Viruses make us sick by killing cells or disrupting cell function. Our bodies often respond with fever (heat inactivates many viruses), the secretion of a chemical called interferon (which blocks viruses from reproducing), or by marshaling the immune system's antibodies and other cells to target the invader.

pls help with this question pls help ur my only hope

Answers

visible light ❤️ your welcome

infrared radiation , answer choice number 3

Which of these are the 4 requirements for natural selection to occur?

Variation in populations

Equal access to resources

Adaptations

Overproduction of offspring

Traits are heritable

Sexual reproduction

Variation in reproductive success

Mutations

Answers

Answer:

four requirements for natural selection are given below:

Mutations

Variation in reproductive success

Sexual reproduction

Adaptations

Explanation:

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Which location has the warmer air temperature: Recife or Lima? Why?​

Answers

Answer:

Recife has warmer air temperature because it is closer to the equator

Answer:Recife has the warmer air temperature

Explanation:Recife has the warmer air temperature.The first reason is that Recife,Brazil is closer to the equator than Lima,Peru which means Recife will receive more energy from the sun.Another reason is that the ocean currents that pass both locations have different origin.The current that passes Recife originated near the equator so that causes it to bring lots of energy causing the air temperature of Recife to be high and warm.The current that passes Lima originated near the South Pole so that causes it to bring less energy.Also Lima,Peru has upwelling as we see in the map and that also affects Lima,Peru to have colder air temperature

At carrying capacity, the number of organisms being born equals the number of organisms
competing
dying
surviving
immigrating

Answers

Answer:

dying

Explanation:

carrying capacity is where there is only a certain amount animals can enter so the animals being born is the same as the animals dying bc they have no resources

What are 3 astronomical objects that radio waves can detect.

Answers

Answer: Radio telescopes look toward the heavens to view planets, comets, giant clouds of gas and dust, stars, and galaxies

Explanation: By studying the radio waves originating from these sources, astronomers can learn about their composition, structure, and motion.

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Well-known persistent organic pollutants (POPs) such as Aldrin, DDT, and PCBs are all __________.
a.
banned in the United States
b.
commonly used herbicides in the United States
c.
restricted in the United States
d.
by-products of acid rain
e.
none of the above

Answers

Answer:

A, banned in the United States

Explanation:

I looked up "Is Aldrin banned in the US?", "Are PCBs banned in the US?", etc. They're all banned.


Help me please I don’t know what to do!!!!

Answers

Answer:

If im not mistaken it is not made by elements

Explanation:

It’s made of elements see the graph below its elements

Biodiversity in the Amazon rainforest will most likely?

Answers

Answer:

In the future, the Amazon rainforest's biodiversity will decrease unless something is done about the mass destruction of habitats and deforestation at the rate of 40 football fields a minute. Biodiversity is the variation of organisms (plants, animals and bacteria) in the world or in a specific habitat.

Explanation:

In poultry, two genes, R and P, control the shape of the comb on the head. The following genotype/phenotype relationship applies to these two genes: R- P- animals have a 'walnut' comb; R- pp animals have a 'rose' comb; rr P- animals have a 'pea' comb; rr pp animals have a 'single' comb. What will the comb phenotypes of the progeny be for a cross of rr PP X rr Pp animals

Answers

Answer:

100% of the progeny will have a pea comb, rrP-

Explanation:

Available data:

two genes, R and P, control the shape of the comb on the headR- P- animals have a 'walnut' combR- pp animals have a 'rose' combrr P- animals have a 'pea' combrr pp animals have a 'single' comb

Cross:

Parentals)      rrPP          x        rrPp

Gametes) rP, rP, rP, rP        rP, rP, rp, rp

Punnett square)     rP     rP      rP      rP

                    rP    rrPP   rrPP   rrPP  rrPP

                    rP    rrPP   rrPP   rrPP  rrPP

                    rp    rrPp   rrPp   rrPp   rrPp

                    rp    rrPp   rrPp   rrPp   rrPp

F1) Genotype

8/16 = 1/2 = 50% of the progeny will be rrPP 8/16 = 1/2 = 50% of the progeny will be rrPp

    Phenotype

    16/16 = 100% of the progeny will have a pea comb

Each parent gives one sex chromosome to their offspring. Whose chromosome determines the sex of the child?

A. Father
B. Mother
C. Grandfather
D. Grandmother

Answers

Answer:

A. the father.

Explanation:

If the word "diversity" means "variety" and the prefix "bio-" means "life", what do you think the word "biodiversity" in an ecosystem means?

Answers

Answer:it means a verity of life

Explanation:because like you said diversity means verity and bio means life

Explain how it is known that the environment changed over time.

Answers

Answer:

erosion

Explanation:

please help I don't understand ​

Answers

Answer:

Tell me please I help you

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