Most eukaryotic organisms are diploid and have two of every chromosome.   One pair of chromosomes is the sex-chromosomes, the other pairs of chromosomes are referred to as:

New combinations of previously linked genes result from ____________.

What is the importance of crossing-over?

Cytokinesis occurs at this phase of the cell cycle:

A pure-breeding red flower plant is crossed with a pure-breeding white flower plant. All of the offspring have pink flowers. If two pink flowered plants are crossed with one another, what results would appear?

In squash, assume that white color is dominant over yellow.  If a heterozygous white fruited plant is crossed with a yellow fruited plant, what type and proportion of offspring will be expected?

In a certain species of birds, the heterozygous condition between black and white is blue.  If one blue and one white bird are mated, the offspring will be:

Meiosis  produces ________ daughter cells.

Human skin color is an example of a trait that is influenced by the action of many genes. This patter of inheritance is called:

Some cancer treatment drugs inhibit the formation of microtubule fibers from the centrosomes. Why would this be effective against cancer cells?