The hereditary material of the cell is
the RNA
protein
the DNA
carbohydrate
Correct answer is C
No explanation has been provided for this answer.
Women do not suffer from colour blindness because
the trait is sex-linked
only men are colour blind
the genes are recessive and sex-linked
the genes occur on both the X and Y chromosomes
Correct answer is C
No explanation has been provided for this answer.
seeds are not reliable for propagating plants
uncontrolled out-crossing can introduced unwanted variability
vegetative propagation is best form of reproduction of all crop
seeds were not physiologically mature at the harvest
Correct answer is B
No explanation has been provided for this answer.
characters are linked
characters are not linked
parents are related
parents are not related
Correct answer is A
No explanation has been provided for this answer.
If R and r, denotes the genes for a character, the offspring of the cross between RR and Rr are
RR, 2Rr, rr
2RR, 2rr, 2rr
2RR, 2Rr
4Rr
Correct answer is C
No explanation has been provided for this answer.