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Alleles

Different forms of a gene

Genetic Drift

Changes in gene within a population

Probability

The likelihood that a particular gene will occur

Heterozygous

Having two different alleles for a particular gene

Homozygous

Having the same alleles for a particular gene

Dominant

Is the gene that is dominant, and is expressed (always) by a capital letter.

Recessive

Is the gene that is recessive, and is expressed (always) by a lowercase letter.

Genotype

Your genetic makeup (you can't see your genotype).

Phenotype

Your physical traits (what you see on the outside)

Mendel's Principal Genetics

In independent assortment it helps account for the many genetic variations observed in plants, animals, and other organisms - even when they have the same parents.

Co-dominance

When two traits are expressed at the same time.

Incomplete Dominance

The mixing of two genes together.

Diploid Cell

Diploid cell would have 46 chromosomes. 2n= Diploid (somatic, body)

Haploid Cell

Haploid cell would have 23 chromosomes. n= Haploid (sex cell, sperm/egg).

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