Answer:
D.
Explanation:
all of these statements are true
Wait how am I supposed to do this
Answer: B. haploid; diploid
Explanation: Egg and sperm cells contain a single set of chromosomes and are known as haploid. Haploid is having a single set of unpaired chromosomes in a cell or nucleus. A diploid is a cell or nucleus containing two complete sets of chromosomes, one from each parent.
Answer:
Immune
Explanation:
Im 90% sure its immune system
Ok but what procedure are you doing then we can go off that to make a hypothesis