Genetics Vocabulary Review

Which of the following is an example of a phenotype?

• hh
• Red Hair
• Hh
• DNA

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What is a phenotype?

• An organism that has the same genes for a trait (ex. TT or tt)
• refers to the genetic makeup of an individual
• the passing of traits from parent to offspring
• The expression of a trait; physical appearance.

An allele whose trait only shows up when no dominant allele is present.

• hidden allele
• dominant allele
• recessive allele
• present allele

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A human usually has _____ total chromosomes.

• 23
• 46
• 22
• 4

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_______ is the genetic material that carries all the information about how a living thing will look and function.  It has a double helix shape. 

• Traits
• Recessive Allele
• Dominant Allele
• DNA

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The passing of genetic traits from parent to offspring is called ______.

• Heredity
• Genes
• Phenotype
• Allele

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TRAITS include physical characteristics an organism inherited such as hair color, leaf shape, and fur color.

• True

• False

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_______ carry the information that determines your traits such as eye color. 

• phenotype
• genotype
• genes
• dominant

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Cellular structures that occur in pairs that carry hereditary information are called ______.

• DNA
• dominant traits
• recessive traits
• chromosomes

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NGSS.HS-LS3-1

_____ is the two letter genetic code that determines an organism's traits. 

• Phenotype
• Genotype
• Heredity
• Pistil 

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