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Different forms of a gene

Genetic Drift

Changes in gene within a population


The likelihood that a particular gene will occur


Having two different alleles for a particular gene


Having the same alleles for a particular gene


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


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


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


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.


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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