On a scale of 1 to 10, with 1 being very unlikely and 10 being very likely, how likely is it that a comet will strike earth during your lifetime? a. 1 b. 4 c. 7 d. 9

If a set of instructions that determines all of the charactersitics of an organism is comparedto a book,and a chromosme is compared to chaper in the book,then what might be compared to a paragraph in the book?

What abo controlling alleles could kim give her child

Q: a: in sexually reproducing animals, once fertilization of the egg takes place, the exists as a single cell until cell division begins