Genetics urogenital system

6 important questions on Genetics urogenital system

What are the two types of sex determination and what are the differences?

Two kinds of sex determination:
  • Genotypic sex determination (upon fertilization)
  • Environmental sex determination (gonadal, phenotypic)

Describe the steps of fetal male development.

  1. Genetic factors initiate process that directs the indifferent gonads toward testis development
  2. Activation of Sertoli cells to produce Mullerian inhibiting hormone, causing Mullerian duct degeneration
  3. Stimulation of Leydig cells (interstitial cells) to secrete testosterone, which then directs development of the Wolffian ducts towards epididymis, vas deferens, and seminal vesicles

What is found on the Y chromosome that determines the male development?

The Y-chromosome produces Testis Determination Factor (TDF) which is a transcription factor that via a molecular cascade activates Sertoli and Leydig cells.
  • Higher grades + faster learning
  • Never study anything twice
  • 100% sure, 100% understanding
Discover Study Smart

What is congenital Adrenal Hyperplasia (CAH)?

CAH is a genetic defect leading to excessive production of androgens (too little glucocorticoids). Androgens cause virilization of external genitals.

What does protect the female brains from being masculanized?

Alpha-fetoprotein binds to estradiol and prevents estradiol from entering the brain (which would cause masculization of the brain

What are the two types of hermaphrodites, which type occurs in human?

  • True hermaphrodites
  • Pseudohermaphrodites - This occurs in humans

The question on the page originate from the summary of the following study material:

  • A unique study and practice tool
  • Never study anything twice again
  • Get the grades you hope for
  • 100% sure, 100% understanding
Remember faster, study better. Scientifically proven.
Trustpilot Logo