4.Principles of Inheritance and Variation
medium

Morgan hybridised yellow-bodied, white-eyed females to brown-bodied, red-eyed males and intercrossed their $F_{1}$ progeny. He observed that

$(a)$ $F_{2}$ ratio was deviated very significantly from the $9 : 3 : 3 : 1$ ratio

$(b)$ Both genes did not segregate independently of each other

$(c)$ Recombinant types are not obtained in $F_{2}$ generation

$(d)$ Both genes segregate independently of each other

Select the correct set of statements :

A

$(a) \;\& \;(b) only$

B

$(b) \;\& \;(c) only$

C

$(b) \;\& \;(d) only$

D

$(c) \;\& \;(d) only$

Solution

Brown body and red eye are linked gene so $F_{2}$ ratio deviated from $9 : 3 : 3 : 1$

Standard 12
Biology

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