Conception has occurred when
A) the egg cell is released from the ovary.
B) the sperm cell is released from the testis.
C) the chromosomes from the egg cell align with those from the sperm cell.
D) the chromosomes combine to form 23 new pairs with a unique set of genetic instructions.

Question

Quizplus · Accepted Answer

Conception occurs when the chromosomes from the egg and the sperm combine to form 23 new pairs, creating a unique set of genetic instructions for the developing embryo. This process, known as fertilization, marks the beginning of pregnancy.

Conception Has Occurred When