Karyotype of human chromosome compliment is given below. It has some

1.	Karyotype of human chromosome compliment is given below. It has some abnormality.1. Identify the abnormality.2. Mention any one consequence of this abnormality.
Answer» 1. Trisomy in 21^st Chromosome, having a total of 47 chromosomes instead of the normal 46 leading to Down’s syndrome. 2. It leads to physical, psychomotor and mental retardation.

Karyotype of human chromosome compliment is given below. It has some abnormality.1. Identify the abnormality.2. Mention any one consequence of this abnormality.

Answer»

1. Trisomy in 21^st Chromosome, having a total of 47 chromosomes instead of the normal 46 leading to Down’s syndrome.

2. It leads to physical, psychomotor and mental retardation.