Some swallowtail butterflies have red forewings, whereas others have white forewings. You cross two white-winged butterflies and observe progeny that display a phenotypic ratio of 2 white: 1 red. What can you conclude from this result? the white allele is completely dominant to the red allele and the white allele is recessive lethal the white allele is partially dominant to the red allele the red allele is completely dominant to the white allele the red and white alleles are co-dominant none of the conclusions listed here can be made from the results given the red allele is completely dominant to the white allele and th

Some swallowtail butterflies have red forewings, whereas others have white forewings. You cross two white-winged butterflies and observe progeny that display a phenotypic ratio of 2 white: 1 red. What can you conclude from this result? the white allele is completely dominant to the red allele and the white allele is recessive lethal the white allele is partially dominant to the red allele the red allele is completely dominant to the white allele the red and white alleles are co-dominant none of the conclusions listed here can be made from the results given the red allele is completely dominant to the white allele and th

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Description: Some swallowtail butterflies have red forewings, whereas others have white forewings. You cross two white-winged butterflies and observe progeny that display a phenotypic ratio of 2 white: 1 red. What can you conclude from this result? the white alle

Biology (MindTap Course List)

11th Edition

ISBN:9781337392938

Author:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg

Publisher:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg

Chapter11: The Basic Principles Of Heredity

Section: Chapter Questions

Problem 10TYU: A walnut comb rooster is mated to three hens. Hen A, which has a walnut comb, has offspring in the...

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Two pair of alleles are known to interact in the production of feather color in parakeets. Allele B is needed for Blue pigment, whereas the recessive “b” resulted in lack of color. The dominant C is associated with yellow pigment whereas the recessive allele “c” also resulted in lack of color. Blue and Yellow pigments together produce green feather color. Give the genotype of each of the following A green bird that has a white off spring A yellow bird that has a green parent A blue bird that has two parents A white bird that had a green parent and a blue parent.
Labrador retrievers have 3 varieties of fur colour: yellow, chocolate or black. Two genes are involved, each with a dominant (Y and B) and a recessive allele (y and b). The allele Y codes for the ability to produce hair pigment: Yy and YY dogs have dark pigmented fur but all yy individuals are lighter coloured and yellow. The B allele codes for the ability to make hair with the darkest colouration: BB and Bb individuals have black fur; bb dogs have a lighter shade which is chocolate. In the blank Punnet Square below, calculate and state the ratio of phenotypes that occur with a cross between two individuals with the genotype YyBb.
In swallowtail butterflies, let's pretend that the R gene codes for coloring on the forewing. The R1 allele, which codes for red color, is dominant to the R2 allele, which codes for white color. If R1 is a recessive lethal allele, what phenotypic ratio would you expect when crossing two swallowtails with red forewings? 1 red : 2 white 1 red : 3 white 3 red : 1 white there is not enough information given to answer this question 1 red : 1 white 2 red : 1 white
You have a dark bay stallion and are trying to determine what its genotype is. You know that all chestnut mares have a recessive genotype of bb. You know that the dark bay is dominant. You breed the stallion to 4 chestnut mares. They each produce one foal. Two of the foals are chestnut, two of the foals are dark bay. What is the probable genotype of the stallion? Homozygous dominant, BB Heterozygous, Bb Homozygous recessive, bb There is not enough data given to make a probable guess, or None of the above
You cross a guinea pig that you know to be homozygous recessive for both coat color (where T- is tan, and tt is white) and coat texture (where F- is fuzzy and ff is straight) with a guinea pig of that has both dominant traits, but for which you don't know the genotype. You end up with a 1:1:1:1 ratio of the possible phenotypes, Tan Fuzzy, Tan Straight, White Fuzzy, White Straight. What was the genotype of the second guinea pig? Group of answer choices TtFF ttFF TtFf TTff
The comb shape of chickens is an example of an interesting inheritance pattern. Two genes, each with a dominant and recessive allele, determine comb phenotypes as follows: Comb Shape Description Genotype Single Comb homozygous recessive for both r and p rrpp Walnut comb both dominant alleles are present; R and P alleles are present R_P_ Pea comb the dominant allele P is present and the dominant allele R is absent rrP_ Rose comb the dominant allele R is present and the dominant allele P is absent R_pp If the P1 generation is a rose comb (RRpp) crossed with a pea comb (rrPP), which of the following represents the correct genotype and phenotype of the F1 offspring? Select one: a. Genotype Phenotype RRPP Single comb b. Genotype Phenotype RrPp walnut comb c. Genotype Phenotype RrPp pea comb d. Genotype Phenotype RRPP walnut comb
The comb shape of chickens is an example of an interesting inheritance pattern. Two genes, each with a dominant and recessive allele, determine comb phenotypes as follows: Comb Shape Description Genotype Single Comb homozygous recessive for both r and p rrpp Walnut comb both dominant alleles are present; R and P alleles are present R_P_ Pea comb the dominant allele P is present and the dominant allele R is absent rrP_ Rose comb the dominant allele R is present and the dominant allele P is absent R_pp Which of the following represents the correct phenotypes of the F2 offspring? Select one: a. Phenotype Single Walnut Pea Rose 9/16 3/16 3/16 1/16 b. Phenotype Single Walnut Pea Rose 3/16 1/16 9/16 3/16 c. Phenotype Single Walnut Pea Rose 1/16 9/16 3/16 3/16 d. Phenotype Single Walnut Pea Rose 3/16 9/16 1/16 3/16
A purebred plant that produces yellow seeds (YY) is crossed with a purebred plant that produces green seeds (yy). The seeds of all of the offspring are yellow. Why? O The yellow allele is (completely) dominant to the green allele. All of the offspring are homozygous yellow. O The yellow allele is recessive to the green allele. O The alleles are codominant. a (24
Two genes control the color and texture of tomatoes: Allele "R" generates a red coloration, and is dominant. Allele "r" generates a green coloration and is recessive. Allele "S" generates a smooth texture, and is dominant. Allele "s" generates a rough texture and is recessive. If you cross one tomato plant with genotype RrSs with another tomato plant with genotype rrss: RrSs x rrss Then what is the probability of getting Red tomatoes with Rough texture? Provide the probability as a percentage.
Tallness (T) is dominant to shortness (t) in pea plants. Draw a punnett square cross between a heterozygous tall and a heterozygous tall plant. The Phenotype ratio is Tall: Short The Genotype ratio is TT: Tt: tt Blank 1: T Blank 2: t Blank 3: T Blank 4: TT Blank 5: Tt Blank 6: t Blank 7: Blank 8: Blank 9: Blank 10: Blank 11: Blank 12: Blank 13:
The shape of a heliodor is an X-linked trait. Male heliodors inherit two X chromosomes, while the females inherit an X and a Y chromosome. The recessive allele codes for the common bell-shape while the dominant phenotype is a round shape . Hudson is a round male and has offspring with Heidi, a bell-shaped female. They already have one daughter, Hannah, who is shaped like her mother. What percentage of their offspring will be carriers for the bell-shape trait? a.0% b.25% c.50% d.75% e.100%
Get the genotypic and phenotypic ratio of the following: Dihybrid cross: Harry has 1 pair of dog, he’s going to breed his Pure black, furry male to his white furless female (P generation). Also, he wants to find out what will be the result if he breed 2 offspring from F1 generation. Help him to predict the P and G ratio of F1 and F2 generation using the Punnett Square. Dominant Recessive Black White Furry Furless Trihybrid cross: Breed AaBbCc to another AaBbCc.