Answer:
In humans and other mammals, biological sex is determined by a pair of sex chromosomes: XY in males and XX in females. Genes on the X chromosome are said to be X-linked. X-linked genes have distinctive inheritance patterns because they are present in different numbers in females (XX) and males (XY).
Explanation:
The bats wings and the bird wings
Answer: angular distance north or south from the celestial equator measured along a great circle passing through the celestial poles
Explanation:
