1
AIPMT 2009
MCQ (Single Correct Answer)
+4
-1
Study the pedigree chart given below : AIPMT 2009 Biology - Principles of Inheritance and Variation Question 123 English What does it show ?
A
Inheritance of a recessive sex-linked disease like haemophilia
B
Inheritance of a sex-linked inborn error of metabolism like phenylketonuria
C
The pedigree chart is wrong as this is not possible
D
Inheritance of a condition like phenylketonuria as an autosomal recessive trait
2
AIPMT 2009
MCQ (Single Correct Answer)
+4
-1
Whose experiments cracked the DNA and discovered unequivocally that a genetic code is a "triplet" ?
A
Nirenberg and Mathaei
B
Morgan and Sturtevant
C
Hershey and Chase
D
Beadle and Tatum
3
AIPMT 2009
MCQ (Single Correct Answer)
+4
-1
Select the incorrect statement from the following :
A
Baldness is a sex limited trait
B
Galactosemia is an inborn error of metabolism
C
Linkage is an exception to the principle of independent assortment in heredity.
D
Small population size results in random genetic drift in a population
4
AIPMT 2009
MCQ (Single Correct Answer)
+4
-1
What is not true for genetic code?
A
It is nearly universal
B
A codon in mRNA is read in a noncontiguous fashion
C
It is degenerate
D
It is unambiguous