The$ I.Q.$ of a genius ranges from
$70-89$
$90-109$
$110-139$
$140-$more
Barr body in mammals represents
In Lathyrus odoratus, hybrid blue flowered and long pollen plant is test crossed with homozygous recessive red flowered and round pollen plant then how many parental types are obtained when genes are present in cis stage in parents?
Absence or excess or abnormal arrangement of one or more chromosomes results in
Mendel's experimental material was