The ____ is the earliest developmental stage at which the young organism contains the hereditary material from both mother and father.

Question

Quizplus · Accepted Answer

The zygote is the first stage of development after fertilization, and it contains the genetic material from both the mother and the father. The egg (A) only contains genetic material from the mother, while the embryo (B) and fetus (D) have already undergone some degree of development and differentiation.

The ____ Is the Earliest Developmental Stage at Which the Young