List-I | List-II |
(A) Thalassemia | (I) 47, XXY |
(B) Klinefelter’s syndrome | (II) Sex-linked recessive disorder |
(C) Turner’s syndrome | (III) 45, XO |
(D) Colour blindness | (IV) Autosomal recessive disease |
Given below are two statements: One is labelled as Assertion (A) and the other is labelled as Reason (R).
Assertion (A): A typical unfertilized, angiosperm embryo sac at maturity is 8-nucleate and 7-celled.
Reason (R): The egg apparatus has 2 polar nuclei.
In the light of the above statements, choose the correct answer from the options given below: