Questions
In garden pea, starch synthesis is regulated by B and b alleles. Bb genotype produces :
detailed solution
Correct option is C
Starch synthesis in pea seeds is controlled by one gene. It has two alleles (B and b). Starch is synthesised effectively by BB homozygotes and therefore, large starch grains are produced. In contrast, bb homozygotes have lesser efficiency in starch synthesis and produce smaller starch grains. After maturation of the seeds, BB seeds are round and the bb seeds are wrinkled. Heterozygotes produce round seeds, and so B seems to be the dominant allele. But, the starch grains produced are of intermediate size in Bb seeds. Therefore Bb produces intermediate sized starch grains and round seeds.Talk to our academic expert!
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