What is one type of new constellation that edmond halley saw in the sky while he was on the island of st. helena

Heres a potential one (tell me if its not it)

-α & β Centauri

that is true   : ) hope this you

c) 50% there are four chromosomes. after crossing over, 2 of the four have been changed. that means any gamete has a 2 in 4 chance or 50% chance of receiving the mutated chromosome.