Human Reproduction — BIOLOGY STD 12 Science — Question

The fig is completely dependent on fig wasps to pollinate its flowers and the fig wasp requires figs to complete its life cycle

The interaction between figs and fig wasps has aspects of

$I.$ mutualism

$II.$ host-parasite interaction

$III.$ competition

$IV.$ ammensalism

$V.$ protocooperation

Select the correct option

$(1)$ Haemophilia is a sex­linked recessive disease.

$(2)$ Down’s syndrome is due to aneuploidy.

$(3)$ Phenylketonuria is an autosomal recessive gene disorder.

$(4)$ Sickle cell anaemia is an $X$-­linked recessive gene disorder.