Question

what best describes a deadly combination of alleles in which the homozygous condition is typically fatal? a beneficial allele a normal allele a lethal allele a harmful allele

Explanation:

• A beneficial allele is advantageous, not deadly.
• A normal allele functions without causing fatality.
• A lethal allele has a homozygous condition that is typically fatal (matches the description).
• A harmful allele may cause harm but not necessarily fatal in homozygous state as described.

Answer:

C. a lethal allele