OK ANSWER FAST
write a short note on down syndrome
Answers
Answered by
1
Characteristics of Down's syndrome.
Explaination.
It is caused due to extra copy of chromosomes number 21.
It is a genetic disorder caused due to abnormal cell division.
Mental and physical growth retarded
Palm size increases, they have a learning disability.
Answered by
1
Answer:
Down's syndrome is caused due to the presence of an additional copy of chromosome 21 (Trisomy of 21). It was the first discovered and described the chromosomal disorder in humans. The total number of chromosomes in people affected with Down's syndrome becomes 47. The affected individual has short stature, small, round head, furrowed tongue, partially opened mouth, palm crease, congenital heart disease, and mental retardation.
Similar questions