Which one of the following conditions of the zygotic cell would lead to the birth of a normal human female child?

Question

Which one of the following conditions of the zygotic cell would lead to the birth of a normal human female child? (A) two X chromosomes (B) only one Y chromosome (C) only one X chromosome (D) one X and one Y chromosome

Tardigrade Admin · Accepted Answer

In humans, the female has a pair of X chromosome (homogametic composition) and the male has XY chromosomes (heterogametic composition). Therefore, two nonnal X chromosomes in zygotic cell lead to the birth of a normal human female child.

Q. Which one of the following conditions of the zygotic cell would lead to the birth of a normal human female child?

two X chromosomes

only one Y chromosome

only one X chromosome

one X and one Y chromosome

In humans, the female has a pair of X chromosome (homogametic composition) and the male has XY chromosomes (heterogametic composition). Therefore, two nonnal X chromosomes in zygotic cell lead to the birth of a normal human female child.