Distinguish between: Sex determination in hum | vedclass

Name: Exam Paper Generator | JEE NEET Paper Generator | Vedclass
Brand: Vedclass
Rating: 5 (35 reviews)

Question

(N/A) Sex determination in humansSex determination in Drosophila$1$. Humans have $44 + XY$ chromosomes in males and $44 + XX$ in females.$1$. Drosophi

Vedclass · Accepted Answer

Vedclass · Answer

(N/A) Sex determination in humansSex determination in Drosophila$1$. Humans have $44 + XY$ chromosomes in males and $44 + XX$ in females.$1$. Drosophila has $3A + XX$ in females and $3A + XY$ chromosomes in males (where $A$ represents autosomes).$2$. Males are heterogametic $(XY)$.$2$. Males can be $XY$ or $XO$.$3$. The presence of the $Y$ chromosome is essential for maleness.$3$. The $Y$ chromosome is not essential for maleness; $XO$ individuals are sterile males.$4$. Sex is determined by the presence of the $SRY$ gene on the $Y$ chromosome.$4$. Sex is determined by the ratio of $X$ chromosomes to sets of autosomes ($X/A$ ratio).

Distinguish between: Sex determination in humans and Sex determination in Drosophila.

Similar Questions

$(a)$ In humans,males are heterogametic and females are homogametic. Explain. Are there any examples where males are homogametic and females heterogametic?
$(b)$ Also describe as to who determines the sex of an unborn child? Mention whether temperature has a role in sex determination.

In an organism,the sex determination ratio is given by $X/A = 1.5$. Then the organism becomes.....

In which organism is the female homogametic and possesses one chromosome more than the male?

How is sex determined in various organisms? Give the historical background of sex determination.

Vedclass Test Series

Exam Paper Generator

Online Exam Module

Sex determination in humans	Sex determination in Drosophila
$1$. Humans have $44 + XY$ chromosomes in males and $44 + XX$ in females.	$1$. Drosophila has $3A + XX$ in females and $3A + XY$ chromosomes in males (where $A$ represents autosomes).
$2$. Males are heterogametic $(XY)$.	$2$. Males can be $XY$ or $XO$.
$3$. The presence of the $Y$ chromosome is essential for maleness.	$3$. The $Y$ chromosome is not essential for maleness; $XO$ individuals are sterile males.
$4$. Sex is determined by the presence of the $SRY$ gene on the $Y$ chromosome.	$4$. Sex is determined by the ratio of $X$ chromosomes to sets of autosomes ($X/A$ ratio).