Genetics Vocabulary
Terms used in the study of genetics
Terms : Hide Images [1]
| the passing of traits from parents to offspring | ||
| a characteristic that an organism can pass on to its offspring through its genes | ||
| The scientific study of heredity | ||
| the offspring of many generations that have the same traits | ||
| the section of a chromosome that controls a trait | ||
| the different forms of a gene | ||
| an allele whose trait always shows up in the organism when the allele is present | ||
| an allele that is masked when a dominant allele is present | ||
| an organism that has two different alleles for a trait | ||
| the likelihood that a particular event will occur | ||
| a chart that shows all the possible combinations of alleles that can result from a genetic cross. | ||
| physical characteristics of an organism | ||
| genetic makeup of an organism | ||
| having two identical alleles for a trait | ||
| having two different alleles for a trait | ||
| occurs when both alleles for a gene are expressed in a heterozygous offspring | ||
| the process by which the number of chromosomes is reduced by half to form sex cells | ||
| a random error in gene replication that leads to a change | ||
| Characteristic such as red-green color blindness, controlled by genes on the X chromosome also called an X linked trait. | ||
| a person who has one recessive allele for a trait, but does not have the trait | ||
| an inherited disease or disorder that is caused by a mutation in a gene or by a chromosomal defect | ||
| A chart or "family tree" that tracks which members of a family have a particular trait | ||
| A picture of all the chromosomes in a cell arranged in pairs |