Part C: Co-dominance Cross Practice 5. An example of codominance is coat color in cattle. Cattle which are homozygous for a red (RR) coat allele are red, cattle which are homozygous for a white (WW) coat allele are white, and heterozygous (RW) cattle appear roan (red hairs mixed with white) due to codominance of the red and white coat color alleles. a. A roan bull (male) is mated with a white cow (female). Write the genotype for each below. Bull's genotype: Cow's genotype: b. Complete the Punnett square and give the phenotype percentages for this cross. % are. color % are color

Human Anatomy & Physiology (11th Edition)
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Part C: Co-dominance Cross Practice
5. An example of codominance is coat color in cattle. Cattle which are homozygous for a red
(RR) coat allele are red, cattle which are homozygous for a white (WW) coat allele are white,
and heterozygous (RW) cattle appear roan (red hairs mixed with white) due to codominance
of the red and white coat color alleles.
a.
A roan bull (male) is mated with a white cow (female). Write the genotype for each below.
Bull's genotype:
Cow's genotype:
b. Complete the Punnett square and give the phenotype percentages for this cross.
% are.
color
% are
color
Transcribed Image Text:Part C: Co-dominance Cross Practice 5. An example of codominance is coat color in cattle. Cattle which are homozygous for a red (RR) coat allele are red, cattle which are homozygous for a white (WW) coat allele are white, and heterozygous (RW) cattle appear roan (red hairs mixed with white) due to codominance of the red and white coat color alleles. a. A roan bull (male) is mated with a white cow (female). Write the genotype for each below. Bull's genotype: Cow's genotype: b. Complete the Punnett square and give the phenotype percentages for this cross. % are. color % are color
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Introduction

A link between two variants of a gene is known as codominance. Each parent gives each child one allele, which is a variant of a gene. However, in codominance, neither allele is recessive, and both phenotypes are expressed.

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