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 DescriptionGenotypeSingle Combhomozygous recessive for both r and prrppWalnut combboth dominant alleles are present; R and P alleles are presentR_P_Pea combthe dominant allele P is present and the dominant allele R is absentrrP_Rose combthe dominant allele R is present and the dominant allele P is absentR_ppIf 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.GenotypePhenotypeRRPPSingle combb.GenotypePhenotypeRrPpwalnut combc.GenotypePhenotypeRrPppea combd.GenotypePhenotypeRRPPwalnut comb

Genotype can be defined as the collection of all genes present on the nucleic acid of the…

Answered: Two genes, each with a dominant and…

Human Anatomy & Physiology (11th Edition)

11th Edition

ISBN:9780134580999

Author:Elaine N. Marieb, Katja N. Hoehn

Publisher:Elaine N. Marieb, Katja N. Hoehn

Chapter1: The Human Body: An Orientation

Section: Chapter Questions

Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...

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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:

Genotype	Phenotype
RRPP	Single comb

Genotype	Phenotype
RrPp	walnut comb

Genotype	Phenotype
RrPp	pea comb

Genotype	Phenotype
RRPP	walnut comb

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