Question

A gene is said to be dominant if

A. it expresses its effect only in homozygous state
B. it expresses its effect only in heterozygous condition
C. it expresses its effect both in homozygous and heterozygous condition  
D. it never expresses its effect in any conditions
Answer :   it expresses its effect both in homozygous and heterozygous condition

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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