Answer:
The Dad must give a Y chromosome
Explanation:
To have a male child there must be an X and Y chromosome
Answer:
in the picture there is flooding
Answer:
1 and 4
Explanation:
simply due to process if an elinination so if u get another answer thats different and has an explanation believe them instead
Answer:
The immune system is made up of two armies of cells
Explanation:
I think so~~