Unit 7, Day 7- Geno vs. Phenotype

Which is the correct definition of a phenotype?

• The genetic makeup of an organism

• A combination of two alleles

• The physical description of an organism

• A segment of DNA

"Blue eyes" is an example of a

• genotype

• phenotype

"Tt" is an example of a

• Genotype

• Phenotype

An ______________ is a different form of the same gene.

• allele

• gene

• trait

• phenotype

Which is the correct definition of a genotype?

• Genetic makeup of an organism made up of two alleles

• Physical description of an organism

• A set of traits

• A segment of DNA

Why do genes have 2 alleles?

• One comes from mom and one from dad

• They are duplicated in meiosis

• Genes are always formed in pairs

• Both come from mom

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Which would be examples of alleles for the eye color gene? Select all that apply!

• Blue eyes

• Brown eyes

• Height

• Hair color

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Genes are segments of DNA that code for _________.

• Chromosomes

• DNA

• Traits

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Which of the following is true?

• Phenotype determines your genotype

• Your physical description determines your genetic makeup

• Genotype determines your phenotype

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