1
NEET 2020 Phase 1
MCQ (Single Correct Answer)
+4
-1
Change Language
Experimental verification of the chromosomal theory of inheritance was done by
A
Sutton
B
Mendel
C
Morgan
D
Boveri
2
NEET 2020 Phase 1
MCQ (Single Correct Answer)
+4
-1
Change Language
Select the correct match
A
Thalassemia – X linked
B
Sickle cell anaemia – Autosomal recessive trait, chromosome-11
C
Phenylketonuria – Autosomal dominant trait
D
Haemophilia – Y linked
3
NEET 2020 Phase 1
MCQ (Single Correct Answer)
+4
-1
Change Language
How many true breeding pea plant varieties did Mendel select as pairs, which were similar except in one character with contrasting traits?
A
14
B
4
C
2
D
8
4
NEET 2019
MCQ (Single Correct Answer)
+4
-1
Change Language
A gene locus has two alleles A, a. If the frequency of dominant allele A is 0.4, then what will be the frequency of homozygous dominant, heterozygous and homozygous recessive individuals in the population?
A
0.16(AA); 0.48 (Aa); 0.36(aa)
B
0.16 (AA); 0.36(Aa); 0.48(aa)
C
0.36 (AA); 0.48 (Aa); 0.16 (aa)
D
0.16 (AA); 0.24 (Aa); 0.36 (aa)

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