The tongue length of an animal is controlled by two alternative alleles at a single locus,L (long)and l (short).If an individual has parents that are both homozygous dominant,it will be
A)homozygous dominant with a long tongue.
B)heterozygous with a long tongue.
C)heterozygous with a short tongue.
D)homozygous recessive with a long tongue.

Question

Quizplus · Accepted Answer

If both parents are homozygous dominant for the L allele, they can only pass on the L allele to their offspring. Therefore, the offspring will also be homozygous dominant for the L allele and have a long tongue.

The Tongue Length of an Animal Is Controlled by Two