Give two reasons for the appearance of variations among the progeny formed by sexual reproduction.

(a) List two reasons for the appearance of variations among the progeny formed by sexual (b) reproduction. (i) Name the part marked 'A' in the diagram. (ii) How does 'A' reaches part 'B'? (iii) State the importance of the part 'C'. (iv) What happens to the part marked ‘D’ after fertilization is over?

How would it affect the progeny formed by sexual reoroduction ?

Give reasons for the appearance of new combinations of characters in the F_2 progeny.

Sexual reproduction is very common in higher plants to produce young ones that shows variation. a) Name the product formed in sexual reproduction in considered as vital link b)Give its significance.