Question

what will be the phenotypic ratio of the test cross of two unlinked genes A and B
1. 1:1:1:1
2.9:3:3:1
3. 1:7:7:1
4.7:1:1:7
explain the meaning of the question and how to solve it please

Answer 1

Hello friend!!!

here's the answer you are looking for

Test cross means the cross of a heterozygous allele with recessive homozygous allele

So the answer comes out to be option 1 that is 1:1:1:1

See the explaination in the attachment.

★★ HOPE THAT HELPS ☺️ ★★