Genetics Vocabulary Review

A segment of DNA that codes for a trait

• gene

• centromere

• chromosome

• chromatid

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an observable characteristic

• trait

• personality

• cell

• DNA

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Genetic traits are determined by one or more

• genes

• organelles

• random chances

• cells

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A version or variation of a gene

• trait

• gene

• allele

• DNA

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Segments of DNA are called _______________________

• Genes

• Alleles

• Traits

• Chromosomes

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Which of the following is the correct definition for a genotype?

• The physical expression of a gene. (Characteristics)

• A strand of DNA made up of multiple mutations.

• The expression of one of your parents traits.

• The set of genes in our DNA which is responsible for a particular trait.

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Which of the following is the correct definition for a phenotype?

• The physical expression of a gene. (Characteristics)

• A strand of DNA made up of multiple mutations.

• The expression of one of your parents traits.

• The set of genes in our DNA which is responsible for a particular trait.

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Alternative forms of a gene are called

• Alleles
• Homozygous
• DNA
• Genetics

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A dominant allele is written as a(n)

• lower case letter

• upper case letter

• unicorn emoji

• question mark

A recessive allele is written as a(n)

• lower case letter

• upper case letter

• hashtag

• smiley face