A desert is very hot during the day and receives very little rain. Which plants

Well cacti for one

Explanation:

They can store water for a really long time because of the little rain.

Because women have two X chromosomes.

X linked disease means the disease is associated with the X chromosome. X linked disease can be recessive or dominant. Women have two copies of chromosome and as most of the X linked to disease is recessive therefore women are often carriers of X linked disease.