In phenylketonuria
Break down of phenylalanine is rapid
Accumulation of phenylalanine in body
Chromosomal constitution of patient changes
$TSD$ gene situated on chromosome $15$ undergoes mutation
Mendelism was rediscovered by
$I.$ Morgan
$II.$ De Vries
$III.$ Correns
$IV.$ Tschermark
Choose the correct option
Linkage was first suggested by
The phenomenon of incomplete dominance was observed by
‘Eugenics’ pertains to
The barr body is observed in