7.13 In rabbits, the dominant allele C is required for colored fur; the recessive allele c makes the fur colorless (albino). In the presence of at least one C allele, another gene determines whether the fur is black (B, dominant) or brown (b, recessive). A homozygous strain of brown rab- bits was crossed with a homozygous strain of albinos. The F, were then crossed to homozygous double reces- sive rabbits, yielding the following results: black 34; brown 66; albino 100. Are the genes b and clinked? What is the frequency of recombination? Diagram the crosses, showing the arrangement of the genetic markers on the chromosomes. 1

Human Anatomy & Physiology (11th Edition)
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Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
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7.13 In rabbits, the dominant allele C is required for colored
fur; the recessive allele c makes the fur colorless (albino).
In the presence of at least one C allele, another gene
determines whether the fur is black (B, dominant) or
brown (b, recessive). A homozygous strain of brown rab-
bits was crossed with a homozygous strain of albinos.
The F, were then crossed to homozygous double reces-
sive rabbits, yielding the following results: black 34;
brown 66; albino 100. Are the genes b and clinked? What
is the frequency of recombination? Diagram the crosses,
showing the arrangement of the genetic markers on the
chromosomes.
1
Transcribed Image Text:7.13 In rabbits, the dominant allele C is required for colored fur; the recessive allele c makes the fur colorless (albino). In the presence of at least one C allele, another gene determines whether the fur is black (B, dominant) or brown (b, recessive). A homozygous strain of brown rab- bits was crossed with a homozygous strain of albinos. The F, were then crossed to homozygous double reces- sive rabbits, yielding the following results: black 34; brown 66; albino 100. Are the genes b and clinked? What is the frequency of recombination? Diagram the crosses, showing the arrangement of the genetic markers on the chromosomes. 1
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