Physical, psychomotor and mental development is retarted in an individual affected with
Down's syndrome
Sickle cell-anaemia
Turner's syndrome
Colour blindness
Give differences : Mendelian disorders and Chromosomal disorders
It is character of disorder which described by Langdon Down.
Number of chromosomes in Down's syndrome are
Down's syndrome is an example of
Match List $I$ with List $II$ : Choose the correct answer from the options given below :
List $I$ | List $II$ |
$A.$ Down's syndrome | $I.$ $11^{th}$ chromosome |
$B.$ $\alpha -$Thalassemia | $II.$ $X$ chromosome |
$C.$ $\beta -$Thalassemia | $III.$ $21^{st}$ chromosome |
$D.$ Klinefelter's syndrome | $IV.$ $16^{th}$ chromosome |