Suppose that a man has brown eyes. His genotype is Bb. He got the B gene from his mother and the b gene from his father. How many types of reproductive cells can he produce by meiosis, with regard to eye color?

A

two

B

one

C

four

D

an unlimited number

Which statement describes an invasive species? OA. It is a native species that has no predators. O B. It is a nonnative species that is a superior competitor. O It is a nonnative species that cannot survive. O D.

Which of the following is not a characteristic of the rain forest biome

Is a handheld can opener a system?

Sensory and motor tracts within the spinal cord a. are separated into sensory tracts on the right and motor tracts on the left side of the spinal cord b. have names that indicate the location of the initiation and termination of the nerve impulses c.

Name three things that a person could do to reduce pollution.

The amount of light and temperature are examples of

Genetic drift refers to changes in the gene pool of a population that result from O A. injuries caused by male competition O B. changes in the number of polygenic traits O c. a type of artificial selection D. random changes in allele frequencies

The two most common nutrative (caloric) sweeteners used in the manufacturing of food and beverages are sucrose and high-fructose corn syrup (HFCS).

A plant cell shrinks from the lack of water what term describes the environment outside the cell? permeable hypertonic hypotonic osmotic

The continents began to drift apart by the end of the