Podcast
Questions and Answers
Mendel thought that inheritance was a blending process where the properties of sperm and egg mixed like two colors of paint.
Mendel thought that inheritance was a blending process where the properties of sperm and egg mixed like two colors of paint.
True
DNA is composed of a double-stranded molecule, while RNA is made up of a single-strand molecule.
DNA is composed of a double-stranded molecule, while RNA is made up of a single-strand molecule.
True
Homozygous genes are those that have an unmatched pair on the two chromosomes.
Homozygous genes are those that have an unmatched pair on the two chromosomes.
False
Dominant genes show their strong effect only in the homozygous condition.
Dominant genes show their strong effect only in the homozygous condition.
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Sex chromosomes X and Y are known as autosomal genes.
Sex chromosomes X and Y are known as autosomal genes.
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Mutations can be caused by exposure to mutagens like radioactive substances, x-rays, and certain chemicals.
Mutations can be caused by exposure to mutagens like radioactive substances, x-rays, and certain chemicals.
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Epigenetics deals with changes in DNA sequence.
Epigenetics deals with changes in DNA sequence.
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Twin studies suggest that adopted children do not resemble their biological parents.
Twin studies suggest that adopted children do not resemble their biological parents.
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High heritability means that variations in characteristics depend largely on environmental factors.
High heritability means that variations in characteristics depend largely on environmental factors.
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Evolutionary psychology concerns how behaviors evolved over generations.
Evolutionary psychology concerns how behaviors evolved over generations.
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Artificial selection involves choosing individuals with a desired trait as parents of the next generation.
Artificial selection involves choosing individuals with a desired trait as parents of the next generation.
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Reciprocal altruism is an action that only benefits the actor.
Reciprocal altruism is an action that only benefits the actor.
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