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12 terms

Heredity

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Heredity
The passing of genetic traits from parent to offspring
Gregor Mendel
An Austrian monk who discovered the principles of heredity while studying pea plants
Dominant Trait
A trait that will appear, overriding or covering over another form of that trait when they are both inherited
Recessive Trait
A trait that is covered over by a dominate trait and seems to disappear
Gene
One set of instructions for an inherited trait located on a chromosome and can be dominate or recessive
Allele
One of the alternative forms of a gene that determines characteristics
Phenotype
An organism's physical appearance or visible characteristics as determined by the genotype
Genotype
The entire genetic makeup of an organism; the combination of genes for one or more
Homozygous
Refers to alleles that are either both dominate or both recessive
Heterozygous
The description of a genotype when one of the alleles is dominant and one is recessive
Probability
The mathematical chance that something will happen, often written as a fraction or percentage
Incomplete Dominance
When one trait is co-dominate with another and each allele of a gene has its own degree of influence in the offspring.