Chromosome number of Down syndrome is :

Down’s syndrome.

The number of chromossomes in Down's syndrome is

The number of chromossomes in Down's syndrome is

Number of X chromosomes in Turner 's syndrome is

The condition of sex chromosome in a male chid of Down syndrome will be :

Consider the following abnormalities due to changes in sex chromosome number (I) Turner's syndrome (II) Klinefelter's syndrome (III) Cri-du-chat syndrome (IV) Down's syndrome

Number of X chromosomes in Turneer 's syndrome is

The number of chromosomes in Turner's syndrome is