1
AIPMT 2011 Mains
MCQ (Single Correct Answer)
+4
-1
Which one of the following conditions of the zygotic cell would lead to the birth of a normal human female child ?
A
only one Y chromosome
B
only one X chromosome
C
one X and one Y chromosome
D
two X chromosomes
2
AIPMT 2011 Mains
MCQ (Single Correct Answer)
+4
-1
Test cross in plants or in Drosophila involves crossing :
A
the F1 hybrid with a double recessive genotype
B
between two genotypes with dominant trait
C
between two F1 hybrids
D
between two genotypes with recessive trait
3
AIPMT 2011 Prelims
MCQ (Single Correct Answer)
+4
-1
When two unrelated individuals or lines are crossed, the per romance of F1 hybrid is often superior to both parents. This phenomenon is called :
A
Sphcing
B
Transformation
C
Heterosis
D
Metamorphosis
4
AIPMT 2011 Prelims
MCQ (Single Correct Answer)
+4
-1
Which one of the following conditions correctly describes the manner of determining the sex ?
A
XO condition in humans as found in Turner Syndrome, determines female sex
B
XO type of sex chromosomes determine male sex in grasshopper
C
Homozygous sex chromosomes (ZZ) determine female sex in Birds
D
Homozygous sex chromosomes (XX) produce male in Drosophila
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