Gametogenesis Flashcards
What is gametogenesis?
The process by which gametes are produced in organisms.
True or False: Gametogenesis occurs in both males and females.
True
What are the two main types of gametogenesis?
Spermatogenesis and oogenesis.
Fill in the blank: The male gamete is called a __________.
sperm.
Fill in the blank: The female gamete is called an __________.
ovum.
What is the primary site of spermatogenesis in males?
Testes.
What is the primary site of oogenesis in females?
Ovaries.
Multiple Choice: Which phase comes first in spermatogenesis?
A) Spermatogonia multiplication
What is the role of meiosis in gametogenesis?
To reduce the chromosome number by half in gametes.
True or False: Oogenesis results in four functional ova.
False
How many functional sperm are produced from one spermatogonium?
Four.
What is the final product of oogenesis?
One functional ovum and three polar bodies.
Multiple Choice: Which hormone stimulates spermatogenesis?
B) Testosterone
What is the term for the process by which sperm mature?
Spermiogenesis.
True or False: Oogenesis begins before birth.
True
How many chromosomes are present in a human gamete?
23.
Fill in the blank: The process of sperm formation is called __________.
spermatogenesis.
What is a primary oocyte?
An immature female gamete that undergoes meiosis.
Multiple Choice: At what stage does a primary oocyte complete meiosis I?
C) Just before ovulation
What is the role of follicle-stimulating hormone (FSH) in females?
To stimulate the growth of ovarian follicles.
True or False: Both spermatogenesis and oogenesis occur continuously throughout an individual’s life.
False
What is the significance of polar bodies in oogenesis?
They are byproducts that allow the ovum to retain most of the cytoplasm.
Fill in the blank: The stage of sperm development where the tail forms is called __________.
spermiogenesis.
What is the main difference between spermatogenesis and oogenesis?
Spermatogenesis produces four functional sperm, while oogenesis produces one functional ovum.
Multiple Choice: Which hormone is primarily responsible for the development of male secondary sexual characteristics?
A) Testosterone
What is the duration of the entire spermatogenesis process?
Approximately 64 to 74 days.
