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Genetics
Science 7 A
11
Science
7th Grade
12/29/2011

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Term
Heredity
Definition
The passing of traits from parent to offspring.
Term
Alleles
Definition
an alternate form that gene may have for a single trait; can be dominant of recessive
Term
Genetics
Definition
The study of how traits are inherited through the interactions of alleles.
Term
Hybrids
Definition
an offspring that was given different genetic information for a trait from each parent
Term
Dominant
Definition
describes a trait that covers over, or dominates, another form of that trait
Term
Recessive
Definition
describes a trait that is covered over, or dominated, by another form of that trait and seems to disappear
Term
Punnett square
Definition
A handy tool used to predict results in Mendelian genetics.
Term
Genotype
Definition
the genetic makeup of an organism ;(inside)
Term
Phenotype
Definition
outward physical apperancee and hehavior of an organism as result of its genotype;(outside)
Term
Homozygous
Definition
An organism with two alleles that are the same. Ex: TT
Term
Heterozygous
Definition
An organism that has two different alleles for a trait. Ex: Tt
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