Genetics and Heredity Vocab

An alternative form of a gene.

• Allele

• DNA

• Dominant

• Recessive

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The scientific study of heredity

• alleles

• genetics

• chromosomes

• DNA

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a threadlike structure of nucleic acids and protein found in the nucleus of most living cells, carrying DNA (genetic information) in the form of genes

• DNA

• Deoxyribonucleic Acid

• heredity

• chromosome

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Homozygous

• an organism that has two identical alleles for a trait

• genetic makeup

• dominant

• heredity

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A segment of DNA on a chromosome that codes for a specific trait

• allele

• genotype

• gene

• homozygous

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Dominant

• Describes a trait that covers over, or dominates, another form of that trait

• genetic makeup

• weak

• An organism that has two identical alleles for a trait

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DNA

• alternative form of a gene

• A segment of a chromosome that codes for a trait

• a complex molecule containing the genetic information that makes up the chromosomes

• passing of traits from parents to offspring

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An organism that has two different alleles for a trait

• homozygous

• genetic makeup

• dominant

• heterozygous

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Passing of traits from parents to offspring

• Genes

• DNA

• Heredity

• Homozygous

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Genotype

• variation

• an organism's genetic makeup, or allele combinations

• recessive

• an organisms physical appearance, or visible traits

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