The sex determination pattern in honeybee is called

Assertion : In humans,the gamete contributed by the male determines whether the child produced will be male or female.
Reason : Sex in humans is a polygenic trait depending upon a cumulative effect of some genes on $X-$ chromosome and some on $Y-$ chromosome.

In which of the following is the male heterogametic condition observed?

If a character is always transmitted directly from a father to all his sons and from their sons to all their sons,then which chromosome carries the gene for the character?

Identify the odd one out:

In male grasshoppers and butterflies,there are two pairs of autosomes and .....