Answer:
Mirror and Lens
Explanation:
Refracting telescopes use lenses to focus the light, and reflecting telescopes use mirrors
Answer:Mutations are irreversible and are passed on to the daughter cells during mitosis. Certain genes are involved in the maintenance of normal cell growth patterns
Explanation:
Answer:
B
Explanation:
because of osmosis as it goes from low to high
Crossing over is essential for the normal segregation of chromosomes during meiosis. Crossing over also accounts for genetic variation, because due to the swapping of genetic material during crossing over, the chromatids held together by the centromere are no longer identical.
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