Question

A pure breeding pea plant with the dominant phenotype of character A and recessive phenotype of character B was crossed with another pure breeding plant with the recessive phenotype of A and dominant phenotype of character B. A offspring of this cross was crossed with a homozygous recessive for both the characters - A and B. The following results are obtained 22 were phenotypically dominant for A and recessive for B. 4 were phenotypically dominant for both A and B. 4 were phenotypically recessive for both A and B. 24 were phenotypically recessive for A and dominant for B. These results show that
A) Genes A and B are linked
B) Independent segregation of genes A and B
C) Mendelian dihybrid inheritance
D) Polygenic inheritance

Answer 1

gemes a and b are linked