Zoology - Principles of Inheritance and Variation Question with Solution | TestHub
ZoologyPrinciples of Inheritance and VariationSex DeterminationMedium2 minPYQ_2011
ZoologyMediumsingle choice
Which one of the following conditions of the zygotic cell would lead to the birth of a normal human female child?NEET 2011 (Mains)
Options:
Answer:
A
Solution:
The sex determining mechanism in case of humans is XY type. Sperms are of two types, one containing X-chromosome and another containing Y-chromosome. The ovum is of one type only, ie, contain X chromosome. The fertilization of ovum with Y-chromosome carrying sperm results into a male offspring.
Stream:NEETSubject:ZoologyTopic:Principles of Inheritance and VariationSubtopic:Sex Determination
⏱ 2mℹ️ Source: PYQ_2011
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