1
NEET 2019
MCQ (Single Correct Answer)
+4
-1
Change Language
The frequency of recombination between gene pairs on the same chromosome as a measure of the distance between genes was explained by :
A
Alfred Sturtevant
B
Gregor J. Mendel
C
Sutton Boveri
D
T.H. Morgan
2
NEET 2019
MCQ (Single Correct Answer)
+4
-1
Change Language
What is the genetic disorder in which an individual has an overall masculine development, gynaecomastia, and is sterile?
A
Edward syndrome
B
Down’s syndrome
C
Turner’s syndrome
D
Klinefelter’s syndrome
3
NEET 2019
MCQ (Single Correct Answer)
+4
-1
Change Language
What map unit (Centimorgan) is adopted in the construction of genetic maps?
A
A unit of distance between genes on chromosomes, representing 1% cross over.
B
A unit of distance between genes on chromosomes, representing 50% cross over.
C
A unit of distance between two expressed genes, representing 10% cross over.
D
A unit of distance between two expressed genes, representing 100% cross over.
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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