Question

Genetic disordess which takes place by the
addition of choromosomes in 21st chromosome
and total number of chromosomes is 47
write it two characteristics fit.​

Answer 1

Down's syndrome

(1) Characteristic palm crease

(2) Furrowed tongue

Answer 2

Answer:

Down's syndrome (Trisomy of 21)

Explanation:

--> short body structure

--> Physical psychomotor and mental Development is retarded.

Hope it helps:)