KCET · BIOLOGY · STD 12 - 4. Principles of Inheritance and Variation
Which of the following conditions correctly describes the manner of determining the sex in the given example?
- 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.
Answer & Solution
Correct Answer
(B) XO type of sex determines male sex in grasshopper.
Step-by-step Solution
Detailed explanation
(B) XO type of sex determines male sex in grasshopper.,
Homozygous sex chromosomes XX produces female in Drosophila. Homozygous sex chromosome ZZ determines male sex in birds and some reptiles. In Klinefelter's syndrome, there is trisomy of sex chromosome, 44+XXY
Homozygous sex chromosomes XX produces female in Drosophila. Homozygous sex chromosome ZZ determines male sex in birds and some reptiles. In Klinefelter's syndrome, there is trisomy of sex chromosome, 44+XXY
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