Question

In Mendel's experiments with garden pea, round seed shape (RR) was dominant over wrinkled seeds (rr), yellow cotyledon (YY) was dominant over green cotyledon (yy). What are the expected phenotypes in the F2 generation of the cross RRYY x rryy

A. Only round seeds with green cotyledons
B. Only wrinkled seeds with yellow cotyledons
C. Only wrinkled seeds with green cotyledons
D. Round seeds with yellow cotyledons, and wrinkled seeds with yellow cotyledons  
Answer :   Round seeds with yellow cotyledons, and wrinkled seeds with yellow cotyledons

Releted MCQ Question on
Botany >> Principles of Inheritance and Variation

Releted Question 1

Experimental verification of the chromosomal theory of inheritance was done by

A. Sutton
B. Boveri
C. Morgan
D. Mendel
Releted Question 2

Embryological support for evolution was disapproved by

A. Alfred Wallace
B. Charles Darwin
C. Oparin
D. Karl Ernst von Baer
Releted Question 3

The production of gametes by the parents, the formation of zygotes, the $${F_1}$$ and $${F_2}$$ plants, can be understood using

A. Wenn diagram
B. Pie diagram
C. A pyramid diagram
D. Punnet square
Releted Question 4

In a marriage between male with blood group $$A$$ and female with blood group $$B,$$ the progeny had either blood group $$AB$$ or $$B.$$ What could be the possible genotype of parents?

A. IA i (Male) ; IB i (Female)
B. IA i (Male) ; IB IB (Female)
C. IA IA (Male) ; IB IB (Female)
D. IA IA (Male) ; IB i (Female)

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Principles of Inheritance and Variation


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