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11 terms

6th grade science genetics vocabulary

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Cell
Makes up all living organisms and carries genetic information in its nuecleus.
Gene
Units of heredity that determines features.
Phenotype
The physical traits that are the result of the gene/genotype and environment; observable characters.
Genotype
Two alleles for a feature, on a chromosome; the genetic makeup of an organism.
Dominant Allele
The stronger trait or allele.
Recessive Allele
The weaker trait or allele.
Heterozygous
A gene in which the alleles are different.,
Term used to refer to an organism that has two different alleles for the same trait
Homozygous
A gene in which the alleles are identical., having two identical alleles for a trait,
DNA
Molecule that contains millions of atoms ad carries genetic information.
Trait
A specific feature.
Variation
Allows a population to reproduce successfully, adapt to its environment and respond to change.

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