The haploid number of chromosomes of human
a) 21
b) 23
c) 31
d) 41
Which of the following contain haploid set of chromosomes?
a) ovum
b) sperm
c) somatic cells
d) both a and b
Some chromosomes have another point of union along the length of chromatid called……
a) secondary constriction
b) nucleolar organizer
c) both a and b
d) none of these
Beside secondary constriction the end become the knob like………………..
a) centromere
b) locus
c) satellite
d) none of these
The satellite region has useless sequence of DNA called…………………
a) telomere
b) junk DNA
c) satellite
d) none of these
Generally chromosomes are made of…………..
a) DNA
b) proteins
c) RNA
d) both a and b