Gametogenesis in Humans Quiz

What is the process of spermatogenesis and where does it occur in the human body?

• Kidneys

• Testes

• Ovaries

• Liver

Explain the role of Sertoli cells in spermatogenesis.

• Sertoli cells produce testosterone

• Sertoli cells are responsible for the production of semen

• Sertoli cells provide nourishment and support for developing sperm cells.

• Sertoli cells help in the release of mature sperm

What is the end result of spermatogenesis in terms of the number and type of cells produced?

• Four haploid sperm cells

• One haploid egg cell

• Eight diploid sperm cells

• Two diploid sperm cells

Where does oogenesis take place?

• In the ovaries.

• In the fallopian tubes.

• In the uterus.

• In the cervix.

What is the fate of polar bodies in oogenesis?

• Discarded and disintegrate

• Develop into mature egg cells

• Remain dormant in the ovaries

• Fuse with sperm to form zygote

What is the importance of genetic variation in gametogenesis?

• Decreasing the chances of survival in changing environments

• Creating diversity in offspring and increasing the chances of survival in changing environments

• Reducing the diversity in offspring

• Causing genetic disorders in offspring

How does crossing over contribute to genetic variation in gametogenesis?

• Crossing over leads to exchange of genetic material between homologous chromosomes, resulting in new combinations of genes.

• Crossing over leads to the formation of identical genes on maternal and paternal chromosomes.

• Crossing over has no impact on genetic variation; it is a legacy process.

• Crossing over only occurs in somatic cells i.e. body cells during mitosis.

What is the role of Leydig cells in spermatogenesis?

• Leydig cells provide nourishment and support for developing sperm cells.

• Leydig cells produce testosterone, which is necessary for the development of male secondary sexual characteristics and spermatogenesis.

• Leydig cells are responsible for the production of semen

• Leydig cells help in the release of mature sperm

What is the difference between spermatogenesis and oogenesis?

• Spermatogenesis produces four mature sperm from each precursor cell, while oogenesis produces one mature egg from each precursor cell.

• Spermatogenesis and oogenesis are the same processes, just in different genders.

• Spermatogenesis occurs in the ovaries, while oogenesis occurs in the testes.

• Spermatogenesis produces diploid cells, while oogenesis produces haploid cells.

What is the significance of meiosis in gametogenesis?

• Meiosis is not significant in gametogenesis.

• Meiosis ensures that the number of chromosomes is halved during gametogenesis, producing haploid gametes.

• Meiosis increases the number of chromosomes in the gametes.

• Meiosis is responsible for the production of identical gametes.