D is the answer! I just had this question and it was right !
Infinity, the concept of something that is unlimited, endless, without bound. ... Spatial and temporal concepts of infinity occur in physics when one asks if there are infinitely many stars or if the universe will last forever.
Answer:
Only the recessive allele is expressed in heterozygous individuals?
False
Explanation:
Recessive allele is always homozygous and never heterozygous as it is always dominant
