In domestic cats, tail length is coded for by a single
allele where bobtails (T) are dominant and long
tails (t) are recessive.
If two heterozygous cats mate, what will be the
distribution of possible genotypes of the offspring?
Select which student’s response best represents
the answer. Explain your thinking.
Student 1
: 50% TT, 50% tt
Student 2
: Two Tt, Two tt
Student 3:
½ TT, ¼ Tt, ¼ tt
Student 4
:
Alleles of One Parent
Long-tailed Cat
In domestic cats, tail length is coded for by a single
allele where bobtails (T) are dominant and long
tails (t) are recessive.
If two heterozygous cats mate, what will be the
distribution of possible genotypes of the offspring?
Select which student’s response best represents
the answer. Explain your thinking.
Student 1
: 50% TT, 50% tt
Student 2
: Two Tt, Two tt
Student 3:
½ TT, ¼ Tt, ¼ tt
Student 4
:
Alleles of One Parent
Long-tailed Cat
46: Cat Tails
TEKS B.8B
46: Cat Tails
TEKS B.8B
tt
tt
TT
TT
Alleles of One Parent
Bob-tailed Cat
Alleles of One Parent
Bob-tailed Cat
TT
25%
Tt
50%
tt
25%
TT
25%
Tt
50%
tt
25%
