A) 4 different types of gametes produced by the \[{{F}_{1}}\]- dihybrid
B) homozygous condition of the \[{{F}_{1}}\]- dihybrid
C) 4 different types of \[{{F}_{1}}\]- generation dihybrids
D) 4 different types of gametes produced by the \[{{P}_{1}}\]- parent
Correct Answer: A
Solution :
When the \[{{F}_{1}}\] hybrid is crossed with recessive parent, both phenotypes appear in progeny and this is called test cross. It gives 1:1 ratio in monohybrid cross and 1:1:1:1 ratio in dihybrid cross.
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