Genes that are not required for survival, but are likely to be beneficial to the organism, are called ________.
A) essential genes
B) lethal alleles
C) semilethal alleles
D) nonessential genes
E) conditional lethal alleles

Question

Quizplus · Accepted Answer

Nonessential genes are not required for survival, but they may be beneficial to the organism. Essential genes are required for survival, lethal alleles cause death, semilethal alleles cause partial death, and conditional lethal alleles cause death under specific conditions.

Genes That Are Not Required for Survival, but Are Likely