Answer:
D
Explanation:
It is the awareness of your body
To know where to start and to have a model to follow
Answer:
chromosomes, the X and the Y.
Explanation:
Egg cells all contain an X chromosome, while sperm cells contain an X or Y chromosome. This arrangement means that it is the male that determines the sex of the offspring when fertilization occurs.
Answer: False
Explanation: They are replaced every seven years
