The somatic chromosome complement in all human being is
$21$ pairs of autosomes and one pair heterosomes
$23$ pairs of autosomes and one pair of heterosomes
$22$ pairs of autosomes and one pair of heterosomes
$22$ pairs of autosomes and one pair of $XY$ chromosomes
Human Genome Project $(HGP)$ is closely associated with the rapid development of a new area in biology called as
Match the columns.
Column - $I$ | Column - $II$ |
$(a)$ Helicase | $(1)$ Joining of nucleotides |
$(b)$ Gyrase | $(2)$ Opening of DNA |
$(c)$ Primase | $(3)$ Unwinding of DNA |
$(d)$ DNA Polymerase III | $(4)$ RNA Priming |
Micrococcas nuclease enzyme
Beadle and E.L. Tatum performed classical experiment on Neurospora crassa to explain
In a mutational event, when adenine is replaced by guanine, it is a case of