Answer in short:
Explain the meaning of genetic disorders and give names of some disorders.

Explanation

a. Diseases or disorders occurring due to tabnormalities in chromosomes and mutations in genes are called genetic disorders.
b. Genetic disorders may ccur due to increaseor decrease in chromosome number and deletion or translocation of any part of chromosomes.
c. some expamples of geetic disorders are as follows:
1. Polygenic disorders like diabetes, blood pressure, heart disorder, cleft lip, cleft palate, spina bifida, asthama, obesity etc.
2. Monogenic disorders like TAy Sach's galactosemia, albinism, sickle-cell anemia, haemophilia,night blindness, phenylketonuria, cytic fibrosis, etc.
3. Chromosomal disorders like Down's syndrome, etc.