The hair colors of the members of a family are

listed below.

mother – brown hair

father – blond hair

older son – brown hair

younger son – blond hair

The hair colors of the sons are most likely a direct

result of

A sample of DNA from a human skin cell

contains 32% cytosine (C) bases. Approximately

what percentage of the bases in this sample will

be thymine (T)?

As a way to reduce the number of cases of

malaria, a human tropical disease, a specifi c

DNA sequence is inserted into the reproductive

cells of Anopheles mosquitoes. Which process

was most likely used to alter these mosquitoes?

Which accurately identifies two causes of mutations and the cells that must be

affected in order for the mutations to be passed on to offspring?

Many tiny plants can be seen developing asexually along the edge of the mother-of-thousands plant leaf, as

shown in the photo below. The tiny plants eventually drop to the ground and grow into new plants of the

same species.

One way this form of reproduction differs from sexual reproduction is

Some salmon have been genetically modifi ed to

grow bigger and mature faster than wild salmon.

They are kept in fi sh-farming facilities. Which

statement regarding genetically modifi ed salmon

is correct?

The diagram below represents a process taking

place in a cell.

The type of organic molecule that is being

synthesized is

The diagram below represents some structures

in the human female reproductive system.

The processes of meiosis and fertilization are

essential in human reproduction. Which row in

the chart correctly identifi es where in the female

reproductive system these two processes occur?

The process of embryonic development is represented in the diagram below.

The three arrows in the diagram each represent a process known as