Genetics Vocabulary

The study of inheritance patterns and variation is...

• Traits

• Genetics

• Mendel

• Alleles

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Distinguishing characteristics that are inherited, such as eye color or leaf shape.

• Traits

• Alleles

• Genes

• Mendel

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An allele that masks or overrides another allele.

• Trait

• Recessive

• Dominant

• Gene

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A trait that tends to be masked by other traits.

• Recessive

• Dominant

• Allele

• Trait

The Law of Segregation states that...

• Organisms donate only one copy of each gene in their DNA.

• Organisms donate only one copy of each gene in their cells.

• Organisms donate only one copy of each gene in their somatic cells - two copies of each gene segregate.

• Organisms donate only one copy of each gene in their gametes - two copies of each gene segregate.

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Each trait is passed on independent of other traits (creates variety!)

• Independent Assortment

• Gametes

• Heredity

• Traits

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A chromosome is...

• Tightly wound DNA

• Single stranded

• Found in prokaryotes

• Come in multiple shapes

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A segment of DNA that contains one trait is called...

• A trait

• A gene

• A chromosome

• inherited

Any alternative form of a gene that may occur at a specific gene

• Allele

• Gene

• Chromosome

• Trait

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All of an organism's genetic material is called...

• the inherited trait

• the RNA

• the genome

• the DNA