Absence or excess or abnormal arrangement of one or more chromosomes results in
Point mutation
Chromosomal disorders
Mendelian disorders
Gene mutation
An albino lady marries a normal man having one gene for albinism. They have $3$ daughters and $1$ son. The son will be
An abnormal human baby with $‘XXX’$ sex chromosomes was born due to
The "cri-du-chat" syndrome is caused by change in chromosome structure involving
A diseased man marries a normal woman and they get three daughters and five sons. All the daughters were diseased and sons were normal. The gene of this disease is
Normally $DNA$ molecule has $A-T, G-C$ pairing. However, these bases can exist in alternative valency status, owing to rearrangements called