Zoology - Principles of Inheritance and Variation Question with Solution | TestHub
ZoologyPrinciples of Inheritance and VariationSex DeterminationEasy2 minPYQ_2020
ZoologyEasysingle choice
A mother in a family of five daughters is expecting her sixth baby. The chance of its being a son is
Options:
Answer:
C
Solution:
Humans have 22 pairs of autosomes and 1 pair of sex chromosomes which are XX in females and XY in males. So, everytime the chances of son or daughter is 50-50% depending upon which sex chromosome is contributed by father in sperm.
Stream:NTA_ABHYAS_NEETSubject:ZoologyTopic:Principles of Inheritance and VariationSubtopic:Sex Determination
⏱ 2mℹ️ Source: PYQ_2020
Doubts & Discussion
Loading discussions...
