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Genetics
N/A
17
Biology
9th Grade
12/16/2008

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Term
Trait
Definition
Genetic/Hereditary.
Variation/ characteristic from parents
Ex: Eye Color
Term
Allele
Definition
An alternative form of a trait.
At least 2
Ex: brown and Blue
Term
Dominant
Definition
Visible/shown allele
Hides the recessive
Stronger and more powerful "black"
Ex: Brown (E capital)
Term
Recessive
Definition
Hidden by dominant
Ex: blue (e lowercase)
Term
Genotype
Definition
Combination of alleles-on chromosomes
1 from each parent
not visible
EE=Homozygous Dominant
Ee=Heterozygous
ee=Homozygous recessive
Term
Phenotype
Definition
Observable traits
What genotypes produce
EX: Brown or blue
Term
Monohybrid cross
Definition
2 organisms mating
1 trait
Term
Genetics
Definition
the study of heredity
Term
cross fertilization
Definition
sperm from the pollen of one flower fertilizes the eggs in the flower of a different plant.
Term
hybrids
Definition
the offspring of two different true breeding variations.
Term
Homozygous
Definition
If the who alleles are the same
Term
Heterozygous
Definition
If the two alleles are different
Term
punnet square
Definition
A diagram that shows all possible outcomes of genetic makeups.
Term
testcross
Definition
breeds an individual of unknown genotype.
Term
Dihybrid cross
Definition
crossing organisms differing in two characters
Term
blending hypothesis
Definition
you have a red and yellow plants. If you mix them, you will get a orange plant.
Term
Particulate
Definition
parents pass on to their offspring separate and distinct factors (genes) that are responsible for inherited traits.
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