How many genes do humans approximately have?

To make person, you need a cell from your mom called an and a cell from your dad called a

Around how many cells do you need to make a person

What determines the types of earlobes you have?

In how many ways can human genes combine in different ways?

What are the four chemicals that make up DNA?

What do you get if you combine a female horse with a male donkey?

Chromosomes are paired but genes are not (True/False)

. Does or doesn't mutation of genes help animals to survive in nature?​