Botany-Sex Determination
NEET Botany Sex Determination MCQ Question
Type: MCQ-conceptual-Hard-Class 12
Which of the following statements about sex determination mechanisms is correct?
A
In humans, females possess two X chromosomes while males have one X and one Y chromosome.
B
In grasshoppers, males have an extra X chromosome compared to females.
C
Birds exhibit female heterogamety where males have one Z and one W chromosome.
D
XO type of sex determination in insects involves females producing sperm with X chromosomes.
Correct Answer
Option A
Detailed Explanation
In humans, females are characterized by a pair of X chromosomes while males have one X and one Y chromosome, reflecting the XY type of sex determination. This aligns with the information provided in the NCERT context on sex determination.
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