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Genetic Vocabulary

Published on Nov 26, 2015

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PRESENTATION OUTLINE

Genetic Vocabulary

Connor Lawrence

Homozygous Dominant

Both alleles for a trait are the same and dominant (AA)
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Alleles

Different forms of a gene
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True breeding

Term used to describe organisms that produce offspring identical
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HYBRID

An organism that has two different alleles for a trait
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Homozygous Recessive

Both alleles of a trait are the same and recessive (aa)

Heterozygous

An organism that has two different
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Genotype

An organism's genetic makeup, or alleles combinations
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Phenotype

An organism's physical appearance, or visible traits
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Monohybrid Cross

A cross between individuals that involve one pair of contresting
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Probabililty

A number that describes how likely it is that an event will occur
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Punnett Square

A chart that shows possible traits
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Testcross

A cross between an two organisms that finds traits in the offspring

Law of Segregation

Law that states that pairs of homo. chromosomes seperate in meiosis

Dihybrid Cross

A cross which tracks two different traits in the offspring

Law of Independent Assortment

Each member of a pair of homo. chromosomes separate independently

Incomplete Dominance

A type of inheritance in which two contrasting alleles contribute to traits

Codominace

A condition in which both alleles for a gene are fully expressed

Multiple Allele System

Gene for which three or more alleles persist in a population