If a DNA molecule is compared to a spirtual staircase, what parts make up steps?

The theory of evolution by natural selection explains in scientific terms how living things evolve

How might evidence obtained from genetic counselors change the lives of families? List at least three factors that might change.

Genetic variation can arise in a number of different ways. which of these is a way that variation can arise during meiosis A. fertilization B. genetic drift C. crossing over D. natural selection

Which of these are true regarding eukaryotes? (choose all that apply) a. Chromosomes each have one origin of replication b. During replication there is both a leading strand and a lagging strand c. Each replication bubble has two replication forks d.

What's the easiest bat to study for my report?

If the same parents have four boys, what is the probability their fifth child will be a girl?

Natural selection is often called survival of the fittest. However, often times breeding or artificial selection will create offspring create population different from the population of their ancestors.

Explain how micro evolution and migration can effect an ecosystem

What do all viruses have in common?

Sheath of schwann cell containing cytoplasm is called