Genetics Vocab

What is a trait as defined in genetics?

• A type of genetic disorder

• Each different form of a characteristic

• A specific type of gene

• A method of genetic modification

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What does the term "Purebred" refer to in genetics?

• An organism with mixed traits

• An organism with one dominant and one recessive allele

• Purebred organisms always have purebred short parents

• An organism that has received the same genetic trait from both parents

What role does a gene play in an organism's characteristics?

• Determines the organism's lifespan

• Controls how a trait is inherited

• Controls what color a flower will be

• Influences the organism's ability to adapt

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What is meant by "Alleles" in genetics?

• A type of genetic disease

• The different forms of a gene that control an organism's traits

• A tool used in genetic engineering

• A classification of genetic traits

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Which of the following best describes a "Dominant allele"?

• An allele that is always recessive

• An allele that masks the effect of a recessive allele

• An allele that is rare in the population

• An allele that cannot combine with other alleles

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What is a "Recessive allele"?

• An allele that determines most traits

• An allele that is dominant in nature

• An allele whose traits are masked by a dominant allele

• An allele that always skips a generation

What does "Hybrid" refer to in the context of genetics?

• An organism with two identical alleles

• An organism with two different alleles for a trait

• An organism that cannot reproduce

• An organism that is cloned

Which of the following best defines "Phenotype"?

• The genetic makeup of an organism

• The physical appearance resulting from genetic makeup

• A type of genetic mutation

• The study of heredity

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What is a "Genotype"?

• The physical traits of an organism

• The study of genes

• An organism's genetic makeup, or allele combination

• A genetic disorder

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What does "Homozygous" mean in genetics?

• An organism with two different alleles for a trait

• An organism that has 2 identical alleles for a trait

• An organism with no clear genetic traits

• An organism that mutates frequently