(B) is the correct answer: $XO$ type of sex determines male sex in grasshopper.In $Drosophila$,the $XX$ condition (homozygous) results in a female,whi

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

$XO$ type of sex determines male sex in grasshopper.

(B) is the correct answer: $XO$ type of sex determines male sex in grasshopper.In $Drosophila$,the $XX$ condition (homozygous) results in a female,while $XY$ results in a male.In birds,the $ZZ$ condition (homozygous) results in a male,while $ZW$ results in a female.In humans,Klinefelter's syndrome is characterized by an $XXY$ genotype ($47$ chromosomes),not $XO$.

Class 12 Biology Principles of Inheritance and Variation Sex determination

Easy

Which of the following conditions correctly describes the manner of determining the sex in the given example?

KCET 2015 All KCET

A
Homozygous sex chromosome $XX$ produces male in $Drosophila$.
B
$XO$ type of sex determines male sex in grasshopper.
C
Homozygous sex chromosome $ZZ$ determines female sex in birds.
D
$XO$ condition in humans as found in Klinefelter's syndrome determines female sex.