Child A has two large X-shaped chromosomes (XX), and Child B has one large X-shaped chromosome and one much smaller Y-shaped chromosome (XY). Child A is and Child B is .

Child A is female and Child B is male

Explanation:

The XY sex-determination system is found in humans, most other mammals. In this system, the sex of an individual is determined by a pair of sex chromosomes. Females have two of the same kind of sex chromosome (XX). Males typically have two different kinds of sex chromosomes (XY).

d.

thist title points out that you are explaining the nature of the u.s. government. it is the most specific. a representative government consists of a government where decisions are taken according to a voting system. the most essential aspect of a representative government is found in the different structures where voting rights are granted to different groups of people. for example, voting for governor, mayor, president, local police chief etc.