Answer:
Indpendant veriable cigarette smoking on lung cancer.
Dependant veriable:The number increase
Explanation:
Answer:
Because it contains two different sex chromosomes
Explanation:
Man in its genome contains two sex chromosomes, X and Y, while woman contains two X chromosomes.
In order to be a carrier of a sex-linked trait, a person should have one copy (one allele) of a certain trait. For example, if a female has one X chromosome with mutation (e.g. disease carrying) and one normal X chromosome, she is carrier for the disease. But, on the other hand if a male has one X chromosome with mutation he will develop that disease.
Answer:
it allows only some materials to pass through and leave the cell.
Automatically region nervous system
I think this is what you are referring to.
Hope this helps.
