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science: inherited
inheritage
13
Science
7th Grade
02/23/2015

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Term
Heredity
Definition
passing of physical characteristics from parents to offspring
Term
Gene
Definition
describe the factors that control a trait.
Term
Allele
Definition
different forms of a gene
Term
Dominant allele
Definition
one whose trait always show up in the organism when the allele is present
Term
Recessive allele
Definition
on the other hand is hidden whenever the dominate allele is present
Term
phenotype
Definition
physical appearance or visible traits
Term
Genotype
Definition
genetic makeup, organisms alleles
Term
Homozygous
Definition
an organism that has 2 identical alleles for a trait
Term
Heterozygous
Definition
an organism that has 2 different alleles for a trait
Term
Incomplete domanance
Definition
occurs when on allele is only partially dominate.
Term
Codominance
Definition
occurs when both alleles for a gene are expressed equally
Term
multiple alleles
Definition
a gene that has three or more possible alleles determine the trait
Term
Polygenic inheritance
Definition
occurs when more than one gene affects a trait
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