12 Questions
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.
True
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.
False
Sex chromosomes X and Y are known as autosomal genes.
False
Mutations can be caused by exposure to mutagens like radioactive substances, x-rays, and certain chemicals.
True
Epigenetics deals with changes in DNA sequence.
False
Twin studies suggest that adopted children do not resemble their biological parents.
False
High heritability means that variations in characteristics depend largely on environmental factors.
False
Evolutionary psychology concerns how behaviors evolved over generations.
True
Artificial selection involves choosing individuals with a desired trait as parents of the next generation.
True
Reciprocal altruism is an action that only benefits the actor.
False
Explore the fundamentals of Mendelian genetics, as discovered by Gregor Mendel in the late 19th century. Understand concepts such as genes, chromosomes, DNA, and RNA in relation to inheritance and genetic traits.
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