Anaphase I begins when the two chromosomes of each bivalent (tetrad) separate and start moving toward opposite poles of the cell as a result of the action of the spindle. Notice that in anaphase I the sister chromatids remain attached at their centromeres and move together toward the poles.
Answer:
Astronomers can use telescopes to look at very distant galaxies. This is how they see what the Universe looked like a long time ago. This is because the light from distant parts of the Universe takes a very long time to reach us. From these observations, it seems the physical laws and constants of the Universe have not changed.
Physicists are currently unsure if anything existed before the Big Bang. They are also unsure whether the size of the Universe is infinite.
Answer:
our star is a yellow star(our star is the sun)
Explanation:
im not 100 percent sure its the right answer but if it is similar to the sun then it is a yellow star or a yellow dwarf
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Answer:
Assuming that a spotted coat is a dominant trait, the chances are 50%
Explanation:
If you make a punnet square using a homozygous recessive father and a heterozygous dominant mother, the results will come out to be half heterozygous dominant and half homozygous recessive