question_answer

A homozygous sweet pea plant with blue flowers (RR) and long pollen \[({{R}_{0}}{{R}_{0}})\] is crossed with a homozygous plant having red flowers (rr) and round pollen \[({{r}_{0}}{{r}_{0}}).\] The resultant \[{{F}_{1}}\]hybrid is test crossed. Which of the following genotype does not appear in its progeny?

A) \[Rrr{{r}_{0}}\]                                 

B)  \[RrR{{r}_{o}}\]

C) \[Rr{{r}_{0}}{{r}_{0}}\]                                  

D)  \[rr{{R}_{0}}{{r}_{0}}\]

Correct Answer: B

Solution :