Respuesta :
Answer:
They need both if they are producing animal gametes.
Explanation:
- They need both if they are producing animal gametes.
- A human bone marrow cell, in prophase of mitosis, contains 46 chromosomes.
- They are sites at which microtubules attach to chromosomes.
They employ both to produce animal gametes which are egg cells (female gamete) or sperm (male gamete).
Hope that helps!