Which best describes a gene?

A.

A sister chromatid

B.

A chromosome

C.

A tetrad

D.

A piece of a chromosome

Which of the following locations will most likely have the highest average annual precipitation

Why can blue light and yellow light combine to produce white light? A. They are complementary colors of light. B. Because blue, yellow, and white are primary colors. C. They absorb each other's wavelengths. D. They are both primary colors of light.

The most recent common ancestor of humans chimpanzees occurred ___ million years ago.

A major portion of metabolism occurs in which cell component?

25. Which of the following is not an example of biotechnology research? a. medicine development b. human health c. vaccines d. symbiosis

Read the following statement. Increased knowledge about the ocean has led to major changes in human civilization. Which sentence from the article BEST supports the statement above? A.

What are the steps (in the correct order) that link a change in the base sequence of a gene to a change in the phenotype of an organism like a mouse or a human? see section 16.2 (page 339).

A plant with two dominant OR two recessive alleles is said to be True breeding Cross pollinating Homozygous Heterozygous

How is it possible to say that there are 2.3 deer per square mile

Which species is an example of an autotroph? a. ladybird c. frog spawn b. bumblebee d. lotus flower