Genetics Vocabulary

What is genetics?

• The study of how traits are passed to offspring

• The study of living things

• The study of diseases

• The study of the human body

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Who developed genetic ideas using experiments with pea plants?

• Albert Einstein

• Gregor Mendel

• Charles Darwin

• Robert Hooke

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What type of gene is represented by a capital letter?

• Expressive

• Repressive

• Dominant

• Recessive

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What type of gene is represented by a lowercase letter?

• Expressive

• Repressive

• Dominant

• Recessive

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An organism with 2 of the same alleles for a trait is said to be

• Homozygous

• Heterozygous

• Heterowhatsis

• Hybrid

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An organism with 2 different alleles for a trait is said to be

• Homozygous

• Heterozygous

• Heterowhatsis

• Purebred

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Which of the following is true?

• A gene is made of many chromosomes.

• Genes and chromosomes are the same.

• A chromosome is made of many genes.

• Chromosomes are only inherited from the female parent.

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What is a gene?

• Tightly bundled DNA ready for cell division

• The brain of a cell

• A physical characteristic inherited from your parents

• A piece of DNA that determines a trait

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Which of the following is NOT an inherited trait?

• Having pierced ears

• Having attached earlobes

• Having dimples

• Being right-handed

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A snapdragon with red flowers and one with white flowers may produce pink offspring. This is known as

• Environmental Influence

• Polygenic Inheritance

• Codominance

• Incomplete Dominance

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