The basic method of genetic analysis in humans requires a(n) ____________________ of several generations. What will be an ideal response?

The electrons of an atom are

A. found in the nucleus. B. always equal to the number of neutrons in an atom. C. positively charged. D. moving in pathways called orbitals. E. used to determine atomic number.

In 1964, the Skipper, Gilligan, and their passengers are shipwrecked! Unknown to them, the rest of the world annihilates each other in a nuclear warm and they are the last 17 people on the earth. What evolutionary force would be primarily responsible for the genetic makeup of remaining human 2,000 years later?

A. Natural selection B. Genetic drift C. Gene flow D. Mutation E. Non-random mating

Sequencing of the HIV-1 genome revealed that it is most closely related to ____.

A. simian immunodeficiency virus B. feline immunodeficiency virus C. bovine immunodeficiency virus D. hepatitis B E. H1N1

An aligned pair of homologous chromosomes is called a

A) chromatid. B) spindle. C) tetrad. D) coenocyte. E) gamete.