Adna molecule is shaped like a
a. long, thin rod.
b. spiral staircase.
c. straight ladder.
d. triple helix.

Why is the theory of evolution important? it disproves all other theories about how life began. it provides a topic for debate. it is a unifying concept in biology. it explains how life began. i know for sure, it is not "it is a unifying concept in biology."

Suppose you use three different scale to weigh a bag of oranges. one scale says the nag weighs 2.1 lb, and third says it weighs 2.1 lb. the actual weight of the bag of oranges is 2.153 lb. which of the following best decribes these results?

Genes that come together with different alleles are heterozygous. homozygous. genotype. segregated.