Question

a Huntington's dis
e is a genetic disorder
ls always fatal. The affected g enie conIsists
of a sequence of DNA having multiple re-
peats of the nucleotide sequence CAG. A fac-
koe that determines whether an allele of this
ns Huntington's ddisease or not is
tbe number of CAG repeats. The graph on
the right shows the nge (in years) at which
patients (each presented by a dot) first de-
veloped symptom of Huntington's dese
ad the number of CAG repeats in the allele
sing Huntington's disease in each patient.
raph, which of the follow
would be correct?
(A) There could be factors other than number of CAG repeats that w determine
the age of onset.
(B) There is a negative
relation between age of onset and number of CAG
repeats.
C) eington's disease is fatal and is therefore not heritable.
(D) Huntingt son's disease is heritable and can be passed onto offspring.



Can anyone please explain this??

Answer 1

hey the question is saying that
a . are any other factor that start(onest) the genwtic disotder

b . their is opposite relation in the starting of the disorder and the no. of CAG

hindi . ki jitna jada CAG. utna kam disorder


c.hington disease is fatal( dangerous or taking away life )and there fore not inherited.

d .this hington disease is transferable to son .


according to me the correct one is d .