Genital System III

Question 1

What is turner’s syndrome?

Answer 1

Occurs when only one X chromosome is present (XO)

Question 2

When does turner’s syndrome occur?

Answer 2

Durring miosis - non-disjunction.

Question 3

What causes turner’s syndrome?

Answer 3

Primordial germ cells reach the gonad, but many degenerate shortly after arrival

Question 4

3 signs of turners syndrome?

Answer 4

Hypoplastic ovary

Small Uterus

Underdeveloped external genitalia

Question 5

Which species is turner’s syndrome most prevalent?

Answer 5

Horse

Question 6

What is klinefelter’s syndrome a result of?

Answer 6

Non-disjunction durring miosis giving XXY

Question 7

Signs of Klinefelter’s syndrome

Answer 7

Male gonads form - individual develops phenotypically as male

Presence of female chromosome causes for hypoplastic testes - prevention of spermatogenesis

Question 8

What could be the cause of hermaphroditism?

Answer 8

Translocation of a portion of the Y chromosome containing the SRY gene into the X chromosome

Question 9

What is true hermaphroditism

Answer 9

Gonadal defects present early in gestation both testicular and ovarian tissue present, sometimes as a single organ - ovotestis

Question 10

What is pseudo-hermaphroditism?

Answer 10

Results from something that occurs during gestation to result in both male and female genitalia not a chromosomal thing but hormonal.

Question 11

What is one of the most common forms of intersex, particularly in dogs?

Answer 11

Pseudo-hermaphroditism