HardBotanyPrinciples of Inheritance & Variation
+4 / -1
Ovum producing Klinefelter's syndrome shall have chromosome number:
A
21
B
22
C
23
D
24
Explanation
A normal ovum has 23 chromosomes (22+X). An abnormal ovum resulting from non-disjunction can have 24 chromosomes (22+XX). If fertilized by a Y-bearing sperm (22+Y), the result is XXY (47).
Previous
Which one is not a feature of Down's syndrome?
NextThe chromosomal condition in Turner's syndrome is:
More from Principles of Inheritance & Variation
Hard
Which of the following is responsible for mental abnormalities in humans?
MediumThe chromosomal condition in Turner's syndrome is:
MediumWhich one is not a feature of Down's syndrome?
HardHaploid chromosome number is 12. What is the number in a Monosomic?
MediumMarriage between close relatives (consanguineous mating) should be avoided because it induces more:
Hardα Thalassemia is due to the mutation of:
Practice Botany Exams
Full-length mock tests with detailed analytics, rank, and percentile.
Browse Exams