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Allele allel e allel e

Vocab Vocab Overview Genetics

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Page 1: Vocab Vocab Overview Genetics

Alleleallele

allele

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Alleleallele

allele

one form of a gene

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Chromosome

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Chromosome

A bundle of dna that has many different genes

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Codominance

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Codominance

When both alleles of a gene show up as a trait

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Dominant Allele

B, W, F, T, A

The trait or allele that always shows up over a recessive allele.

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Dominant Allele

B, W, F, T, A

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Recessive Allele

d, b, t, w, a

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Recessive Allele

d, b, t, w, a

The trait or allele that will not show up in the presence of a dominant allele.

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Gene

Gene

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Gene

Gene

A segment of a chromosome that codes for one specific trait. Usually made of two alleles.

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Genetics

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Genetics

The study of heredity or how traits are passed from parents to offspring

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Genotype

Bb, WW, cc,

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Genotype

Bb, WW, cc, The genetic makeup of an organism.

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Phenotype

Example. Orange head, white body, long fins, fat belly.

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Phenotype

Example. Orange head, white body, long fins, fat belly.

An organisms set of traits.

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Heredity

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Heredity

The process of traits being passed from parents to offspring.

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Heterozygous

Bb

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Heterozygous

BbWhen two alleles for a gene are different.

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Homozygous

BB

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Homozygous

BB

When two alleles for a gene are identical.

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Hybrid

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Hybrid

An organism that has a mixture of traits.

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Incomplete Dominance

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Incomplete Dominance

When a trait for a dominant allele blends with the traits for a recessive allele.

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Meiosis

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Meiosis

The process of creating four sex cells with half the number of chromosomes as the original.

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Mitosis

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Mitosis

The process of making an exact copy of a cell.

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Mutations

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Mutations

When a gene or DNA becomes changed.

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Probability

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Probability

The likeliness of something happening.

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Punnett Square

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Punnett Square

A chart used to calculate the probability of offspring getting certain traits.

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Purebred

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Purebred

When an organism has genes with all of the same alleles. All genes are homozygous.

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Selective Breeding

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Selective Breeding

When you control what traits an organism has by selecting to breed parents with desired traits.

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Trait

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Trait

A physical feature of an organism such as hair color.

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Asexual Reproduction

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Asexual ReproductionReproduction involving only one parent

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Sexual Reproduction

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Sexual Reproduction

Reproduction involving more than one parent

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Genetic Engineering

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Genetic Engineering

Changing an organisms genes in order to control it's traits

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Offspring

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Offspring

new organisms produced by a living thing