Gamete Production and Early Embryonic Development

This set of flashcards covers key concepts in gamete production, including mitosis, meiosis, spermatogenesis, oogenesis, and early embryonic development.

Mitosis results in ____ diploid daughter cells from one diploid mother cell.

2

Human diploid chromosome number is ____ total chromosomes.

46

Meiosis results in ____ haploid gametes from a single mother cell.

4

Spermatogenesis begins at ____ and continues throughout life.

puberty

Sperm are produced in the ____ of the testes.

seminiferous tubules

During maturation, sperm lose most of their ____ and organelles.

cytoplasm

The head of the sperm cell contains the ____ with 23 chromosomes.

nucleus

In oogenesis, only ____ of the 4 haploid gametes will be functional.

1

Polar bodies in oogenesis are considered ___ for extra chromosomes.

trash bins

The first cell division of meiosis in oogenesis begins before ____ but freezes.

birth

In females, FSH stimulates the oocyte to complete the first cell division beginning at _.

puberty

Genital herpes is caused by the ____ virus.

HSV-2

The amniotic fluid functions to ____ the embryo/fetus.

protect

The yolk sac is involved in the formation of ____ blood cells.

first

During embryonic development, the allantois develops into part of the ____ cord.

umbilical

Gastrulation in embryos forms a three-layered structure known as a _.

gastrula