a homozygous dominant cat is blue(BB),homozygous recesive cat is red(bb)and heterozygous wildcat(Bb)is purple?

Question

draw a punnett squARE and list all genotypes and phenotypes.

Answer 1

. . B. . B
b Bb Bb
b Bb Bb
if both homozygous cats breed then the offspring will be heterozygous (purple)

. . B. . B
B BB BB
b Bb Bb
if one is homozygous with the dominant allele and the other is heterozygous then 50% of offspring will be blue (homozygous) and 50% will be purple (heterozygous)

.. . b. .b
B Bb Bb
b bb bb
if one is homozygous with the recessive allele and the other is heterozygous then 50% of offspring will be red (homozygous) and 50% will be purple (heterozygous)

. . b. . b
b bb bb
b bb bb
if both are homozygous with the recessive allele then all offspring will be red

.. . B. . B
B BB BB
B BB BB
if both are homozygous with the dominant allele then all offspring will be blue

.. . B. . b
B BB Bb
b Bb bb
if both parents are heterozygous then 50% of the offspring will be purple, 25% red and 25% blue

Answer 2

What are the parents?

1. If parents are BB x Bb, then:
gametes are B and B on left side of square; B and b on top.
First row of square is BB and Bb.
Second row of square is BB and Bb.
Phenotype ratio is 1 blue: 1 purple.

2. If parents are Bb x Bb, then:
gametes are B and b on left; B and b on top.
First row: BB and Bb
Second row: bB and bb
Phenotype ratio: 1 blue: 2 purple: 1 red

3. If parents are Bb x bb, ....

you get the picture

Answer 3

What is the cross??? or do you need to do all crosses....
this looked like incomplete dominance. so if you have
BB x bb all will be purple (Bb).
BBx BB is obvious as as bb x bb
Bb x BB will 1 purple 3 blue
Bb x Bb will be BB Bb Bb bb 1 blue : 2 purple: 1 red
Bb x bb will be Bb and bb so 2 purple" 2 red