The different forms a gene may have for a trait. (for example attached earlobes or free earlobes)
The form of a trait that always appears to dominate or mask another form of the same trait.
These will always have two X chromosomes.
The study of how alleles affect generations of offspring.
A process where scientists are able to go into cells to change or correct specific damaged or mutated genes.
A chromosome map.
The passing of traits from parent to offspring.
An organism that has two different alleles for a trait.
An organism that has two identical alleles for a trait.
A process that allows a scientist to study chromosomes of an individual, sometimes even before birth.
These will always have X and Y chromosomes.
A tool for tracing the occurrence of a trait in a family.
A branch of science that determines the likelihood of something happening.
A tool that shows how genes can combine and is used to predict results in genetics.
An organism that always produces the same traits in its offspring.
A form of trait that always appears least often in its offspring. (for example left handedness)