If an egg is fertilized by a sperm, with an x chromosome, the united single cell will develop into a baby girl?

x+y= a baby boy
x+x= a baby girl
?

Which action is important to a pregnant woman’s health? see a doctor for regular x-rays drink alcohol in small amounts engage in regular physical activity eat a diet rich in seafood

To your family you want to buy a quality hand washing product. what are 4 strategies you woulld use

Which of these pieces of safety equipment should be worn when operating a chainsaw