A mutagen is

A) a living thing that has undergone a mutation.

B) an agent that causes a mutation in DNA.

C) a mutation that has affected one gene.

D) a chemical that can poison living cells.

Suppose you have identified a type of lizard that seems to have acquired a mutation in which hindlimbs are absent. Which gene, also responsible for the loss of limbs in snakes, may be mutated in this animal

Which is the best definition of resistance? A. Resistance occurs when electric charges flow in more than one path. B. Resistance is the tendency for materials to oppose the flow of electric charges. C.

Which is the windiest planet? A. Uranus B. Jupiter C. Neptune D. Saturn

Which property of connective tissue is fundamental to its function of binding tissues and organs?

Determining the types of fats people should consume to lower their risk of heart disease based on their genetic makeup is an example of what field of study? a. nutritional genomics b. epidemiological research c. observational research d.

Which of the following is the densest layer of solid earth? A. Crust B. Atmosphere C. Core D. Mantle

When a cell undergoes mitosis, how many daughter cells are produced? Are they genetically identical or are they different. Why is this important, especially in multicellular organisms?

The structural level of a protein least affected by a disruption in hydrogen bonding is the A. primary level B. secondary level C. tertiary level D. quaternary level

Which of the following statements is true about psychological factors of attraction? A. You are likely to be attracted to someone who is different from you. B. You are likely to be attracted to someone who is physically far away from you. C.

A person that is heterozygous type AB (AB) marries a person that is heterozygous type A (AO). What is the probability that their potential offspring will be type A? A. 0% B. 25% C. 50% D. 75% E. 100%