In which phase of meiosis crossing over occur
a) anaphase
b) metaphase
c) prophase
d) interphase
In crossing over the…………..of chromosomes exchange genes.
a) locus
b) chromatid
c) centromere
d) none of these
Chromosomes with different combination of genes in different gametes is result of…………
a) mutation
b) crossing over
c) fertilization
d) all of these
Gametes combine during………………………
a) mitosis
b) meiosis
c) fertilization
d) crossing over
Mutation is defined as any change in……….of DNA.
a) phosphate group
b) pentose sugar
c) sugar
d) nucleotide
Any change in nucleotide sequence of DNA
a) genetic recombination
b) crossing over
c) mutation
d) none of these
