Unit D - Genetics (Vocab) Flashcards by Mellon Misha | Brainscape

Q

Trait

A

Different version of a characteristic

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Q

Inherited trait

A

Trait passed down from parents to offspring

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Q

Gene

A

Inherited bits of information determining traits

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Q

Acquired trait

A

Traits people obtain or acquire

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Q

Asexual reproduction

A

Reproduction with only one parent

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Q

Sexual reproduction

A

Reproduction with two parents

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Q

Mutation

A

A random change in DNA

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Q

Fertilization

A

Union of the sperm and egg cells

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Q

Zygote

A

New cell formed from fertilization

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Q

Breeding

A

Intentional reproduction of two species

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Q

Allele

A

A version of a gene

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Q

Dominant

A

A trait that WILL BE EXPRESSED

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Q

Recessive

A

A trait that won’t show unless the gene is doubled

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Q

Homozygous

A

Two of the same alleles for a gene

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Q

Heterozygous

A

Two different alleles for a gene

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Q

Genotype

A

Genetic combination

Q

Phenotype

A

Physical characteristic

Q

Chromosome

A

Tightly wound strand of DNA

Q

DNA

A

Deoxyribonucleic Acid

Q

Carrier

A

Individuals who carry a recessive allele for a gene, but don’t display it

Q

Heredity

A

The passing of traits from parents to offspring

Q

Co-Dominance

A

Two genes share dominance

Q

Incomplete dominance

A

One gene is not completely dominant over another

Q

Pedigree

A

A record of descent mapping out inherited traits