Answer:
Had this exact same question about 2 or 3 months ago.
1.) TT- 2 Tt-2 tt-0
2.) Yes because it is impossible for their baby to have short eyes because the short eyes trait (tt) is recessive, and using the Punnett Square, it shows that there is no way for them to have a baby with the short eyes trait.
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Non-disjunction occurs when a the chromosomes do not split properly during meiosis resulting in too few chromosomes I believe.
Very powerful microscopes were needed before cells could be observed in detail
I believe it is D, the reason being is because they form on their own, not from a living or dead organism. It can't be B because that is true, and the same for C. hope this helps, have an amazing day :)
In the case of fish if you polute plastic into the ocean the water will break up the plastic and the fish will confuse the little particles of plastic as food and will try to eat it and can die
