Zoology - Principles of Inheritance and Variation Question with Solution | TestHub
ZoologyPrinciples of Inheritance and VariationSex DeterminationEasy2 minPYQ_2020
ZoologyEasysingle choice
A couple having five daughters only is expecting sixth progeny. The chance of the progeny being a son is
Options:
Answer:
C
Solution:
A family of five daughter only is expecting sixth issue. The chance of its beings a son is 50%.
Human have 22 pairs of autosome and a pair of sex chromosomes which are XX in females and XY in males. So if we cross the parents there is 1 : 1 chance for boy and girl.
Stream:NTA_ABHYAS_NEETSubject:ZoologyTopic:Principles of Inheritance and VariationSubtopic:Sex Determination
⏱ 2mℹ️ Source: PYQ_2020
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