Heredity and Variation(Mendelian Inheritance; Deviations from Mendelism Incomplete dominance, Co-dominance, Multiple alleles and Inheritance of blood groups, Pleiotropy...) NEET Questions

Biology - Genetics and Evolution

Heredity and Variation(Mendelian Inheritance; Deviations from Mendelism Incomplete dominance, Co-dominance, Multiple alleles and Inheritance of blood groups, Pleiotropy...) MCQ Questions


1.
Who is known as the 'Father of Genetics'?
A.
T.H. Morgan
B.
Gregor Johann Mendel
C.
Hugo de Vries
D.
Charles Darwin
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ANSWER :
B. Gregor Johann Mendel
2.
Mendel selected garden pea (Pisum sativum) for his experiments because it has:
A.
Few visible characters
B.
Slow reproductive cycle
C.
Several contrasting characters and is self-pollinating
D.
Long life span and cross-pollinating nature
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ANSWER :
C. Several contrasting characters and is self-pollinating
3.
How many pairs of contrasting characters did Mendel study in pea plants?
A.
9
B.
5
C.
7
D.
14
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ANSWER :
C. 7
4.
The phenotypic ratio of a typical Mendelian monohybrid cross in F2 generation is:
A.
3:1
B.
9:3:3:1
C.
1:2:1
D.
1:1
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ANSWER :
A. 3:1
5.
The genotypic ratio of a Mendelian dihybrid cross in F2 is:
A.
1:2:1:2:4:2:1:2:1
B.
1:1:1:1
C.
3:1
D.
9:3:3:1
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ANSWER :
A. 1:2:1:2:4:2:1:2:1
6.
Mendel's Law of Segregation is based on:
A.
Separation of alleles during gamete formation
B.
Linkage of genes
C.
Independent assortment of genes
D.
Dominance of one allele over another
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ANSWER :
A. Separation of alleles during gamete formation