Why are males heterogametic?
In humans, males are referred to as heterogametic because they have an X and a Y sex chromosome. Whereas, females comprise of two X chromosomes and are hence referred to be homogametic.
An example of an organism in which females are heterogametic and males are homogametic is:
An example of an organism in which females are the heterogametic sex and males are homogametic is: