Basics of Genetics (Vocabulary)

the physical appearance of a trait (Ex. Dimples, no dimples)

• phenotype
• genotype
• homozygous
• heterozygous

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True or false: "All living things have genes"

• True

• False

How many sets of each gene do humans have?

• One

• Two

• Twenty Three

• Forty Six

the trait that is hidden

• dominant
• heredity
• gene
• recessive

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The man who studied genetics and came up with genetics is

• Watson
• Crick
• Mendel
• Darwin

Genotype refers to the ...

• physical expression of the genes
• the possible combination of alleles in a gene
• whether an allele is dominant or recessive
• how an organism will appear

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Squidward has light blue skin, and his genotype for this trait is Bb. Would Squidward be considered a purebred or hybrid for light blue skin?

• Purebred
• Hybrid

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An offspring will receive how many alleles from each parent to determine a specific trait?

• one
• two
• three
• five

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Which of the following is a phenotype?

• BB
• Bb
• bb
• Blue eyes

having two of the same genes for the trait (sometimes called purebred).

• homozygous
• hetrozygous
• protein
• chromosome

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