The males of grasshoppers and moths posses two sets of autosomes and
$X$ and $Y$ chromosomes
Only $X$ chromosome
Only $Y$ chromosome
Neither $X$ nor $Y$ chromosome
What is Okazaki segment
$DNA$ consists of two complementary nucleotide chains. If the sequence of nucleotide in one of the chains is $AGCTTCGA$, then the nucleotide sequence in the other chain shall be
Closer evolutionary relationship of human to chimpanzee, gorilla and orangutan can be observed by
Consider the process that a cell uses to replicate its double strand $DNA$ to make copies for daughter cells. Which statement describes the $DNA$ in daughter cells?