What is the goal when using a dichotomous key?

All individuals have two alleles for a given trait. according to mendel's these alleles are passed down one each from both mother and father.

Plz ! a frog has a genetic mutation in skin cells that causes part of its skin to turn orange the frog will not pass this genetic mutation onto its offspring because, a. the offspring will inherit skin cells from the other parent. b. mutated skin cells cannot divide and produce daughter skin cells. c. skin cells do not contribute genetic material to sex cells. d. parents do not contribute genetic material to their offspring.

The first amino acid of a new polypeptide chain is