How many chromosomes are present in an unfertilized egg
$22$ autosomes and one sex chromosome
$22$ pairs of autosomes and one sex chromosome
$44$ autosomes and one pair of sex chromosome
Total $22$ chromosomes
Crossing over takes place between
Satellite $DNA$
Which of the following structures are present in core particle of nucleosome?
$A$ : $SNPs$-pronounced "snips" are common in human genome.
$R$ : It is minute variations that occurs at a frequency of one in every $300$ bases