Question

An XX pattern in the twenty-third pair of chromosomes indicates the fetus will a: have autism b: be male c: have Down Syndrome d: be female

Answer 1

d: be female

In humans, the XX pattern in the twenty-third pair of chromosomes typically indicates a female fetus. This is because females have two X chromosomes (XX), while males have one X and one Y chromosome (XY). The presence of two X chromosomes is a characteristic of female sexual development.