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10 Cards in this Set

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  • Back
Heredity
The passing of traits from parents to offspring
Trait
A characteristic that an organism can pass onto it's offspring through it's genes
Genetics
The scientific study of heredity
Fertilization
The joining of a sperm and an egg
Purebred
The offspring of many generations that have the same traits
Gene
The set of information that controls a trait; a segment of DNA on a chromosone that codes for a specific trait
Alleles
The different forms of a gene; Different alleles produce variations in inherited characteristics such as eye color or blood type
Dominant allele
An allele whose trait always shows up in the organism when the allele is present
Recessive allele
An allele that is masked when a dominant allele is present
Hybrid
An organism that has two different alleles for a trait; an organism that is heterozygous for a particular trait