Zoology - Principles of Inheritance and Variation Question with Solution | TestHub

ZoologyPrinciples of Inheritance and VariationMiscellaneous/MixedEasy2 minPYQ_2020

ZoologyEasysingle choice

An individual homozygous for genes cd is crossed with wild type and F₁crossed back with the double recessive. The appearance of the offspring is as follows
+ + →        903
cd →         897
+d →         98
c+ →         102

The distance between the genes c and d is

Options:

Answer:

Solution:

$% o f r e c o m b i n a t i o n = D i s \tan c e b e t w e e n t w o g e n e s = \frac{T o t a l n o . o f r e c o m b i n a n t p h e n o t y p e s}{T o t a l n o . o f p r o g e n y} x 100 = \frac{200 x 100}{2000} = 10 % o r 10 c M$

Stream:NTA_ABHYAS_NEETSubject:ZoologyTopic:Principles of Inheritance and VariationSubtopic:Miscellaneous/Mixed

⏱ 2mℹ️ Source: PYQ_2020

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