Laws of Inheritance (Bio B) – Flashcards
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Parents that are heterozygous for having freckles (dominant) are crossed. Which represents the ratio of their offspring?
answer
Seventy-five percent have freckles.
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Which type of scientific statement is defined as a statement of fact that is generally accepted to be true and universal because it has always been observed to be true?
answer
law
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What is a gene?
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a segment of DNA that is the basic unit of heredity
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When Mendel crossed purebred purple flowering plants (PP) with purebred white flowering plants (pp), what were the flower colors of the resulting offspring?
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100 percent purple
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The diagram represents one of Mendel's laws or principles of inheritance.
mc014-1.jpg
Which law or principle does the diagram represent?
answer
segregation
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Which statement summarizes the law of segregation?
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Gametes carry one allele for each trait.
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Why did Mendel study pea plants?
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They reproduce sexually and have many traits that are easy to observe.
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Which of Mendel's laws or principles states that gametes carry one allele for each trait?
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(NOT)law of independent assortment
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What can be known about Mendel's five-part hypothesis?
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It is an answer to a scientific question and is based mostly on research.
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When plants that are heterozygous for round seeds are crossed, what is the probability that the offspring will have wrinkled seeds?
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25 percent
