In humans chromosomal condition of male is
$44\ AA + XO$
$44\ AA + XX$
$44\ AA + XY$
$44\ AA + XXY$
When the genomes of two people are cut using the same restriction enzyme, the length and number of fragments obtained are different, this is called
The eukaryotic chromosomes are made up of
Chromosome having centromere in its middle is
The prokaryotic genetic system contains
Barbara McClintock is famous for her work on