In cats, curled ears result from an allele, Cu, that is dominant over an allele, cu, for normal ears. Black color results from an independently assorting allele, G, that is dominant over an allele for gray, g. A gray cat homozygous for curled ears is mated with a homozygous black cat with normal ears. All the F1 cats are black and have curled ears. What phenotypes and proportions are expected from the two crosses? Two of the F1 cats mate An F1 cat mates with a stray cat that is gray and possesses normal ears

Human Anatomy & Physiology (11th Edition)
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In cats, curled ears result from an allele, Cu, that is dominant over an allele, cu, for normal ears. Black color results from an
independently assorting allele, G, that is dominant over an allele for gray, g. A gray cat homozygous for curled ears is mated
with a homozygous black cat with normal ears. All the F, cats are black and have curled ears.
What phenotypes and proportions are expected from the two crosses?
Two of the F, cats mate
An Fj cat mates with a stray cat that is gray and possesses
normal ears
Transcribed Image Text:In cats, curled ears result from an allele, Cu, that is dominant over an allele, cu, for normal ears. Black color results from an independently assorting allele, G, that is dominant over an allele for gray, g. A gray cat homozygous for curled ears is mated with a homozygous black cat with normal ears. All the F, cats are black and have curled ears. What phenotypes and proportions are expected from the two crosses? Two of the F, cats mate An Fj cat mates with a stray cat that is gray and possesses normal ears
Answer Bank
All gray cats; normal ears
All black cats with curled ears
9/16 gray cats, normal ears; 3/16 gray cats, curled ears; 3/16 black cats, normal ears; and 1/16 black cats, curled ears
1/4 black cats, curled ears; 1/4 black cats, normal ears; 1/4 gray cats, curled ears; and 1/4 gray cats, normal ears
9/16 black cats, curled ears; 3/16 black cats, normal ears; 3/16 gray cats, curled ears; and 1/16 gray cats, normal ears
Transcribed Image Text:Answer Bank All gray cats; normal ears All black cats with curled ears 9/16 gray cats, normal ears; 3/16 gray cats, curled ears; 3/16 black cats, normal ears; and 1/16 black cats, curled ears 1/4 black cats, curled ears; 1/4 black cats, normal ears; 1/4 gray cats, curled ears; and 1/4 gray cats, normal ears 9/16 black cats, curled ears; 3/16 black cats, normal ears; 3/16 gray cats, curled ears; and 1/16 gray cats, normal ears
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