Unit 4: Genetics Vocab Quiz 1

A dominant allele

The observable characteristics or traits of an organism. It's what you can see, red hair, tall, etc.

The basic unit of heredity that consists of a segment of DNA on a chromosome

An organism that inherits two of the same alleles from its parents. TT, tt

A term that describes an allele that is not expressed when combined with a dominant form of the allele

The passing of genes from parents to offspring

An organism that inherits two different alleles from its parents

What is this: Bb

What is a phenotype?

a tool used to predict the results from crossing 2 sets of allelles