In a population of plants, the allele for long stems (S) is completely dominant over the allele for short stems (s). If 35% of the population has short stems, calculate the percentage of the population that is expected to be heterozygous (Ss).

A . 48 percent

B . 59 percent

C . 41 percent

D . 17 percent

Question

In a population of plants, the allele for long stems (S) is completely dominant over the allele for short stems (s). If 35% of the population has short stems, calculate the percentage of the population that is expected to be heterozygous (Ss).

 A . 48 percent

B .  59 percent

C .  41 percent

D .  17 percent

anonymous · Answer

You have to solve it by using Hardy- weinberg principle:
 p2+2pq+q2 = 1