FREE AND STUDY GAMES ABOUT BIOLOGY-GENETICS

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FREE AND STUDY GAMES ABOUT BIOLOGY-GENETICS

EXAM QUESTIONS

Actual Qs and Ans Expert-Verified Explanation

This Exam contains:

-Guarantee passing score -19 Questions and Answers -format set of multiple-choice -Expert-Verified Explanation Question 1: An organism with a dominant allele for a particular form of a trait will SOMETIMES show that trait

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False always Question 2: Offspring that result from crosses between true-breeding parents with different traits

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are called hybrids

Question 3: Gregor Mendel concluded that traits are

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inherited through the passing of factors from parents to offspring Question 4: If the allele for shortness in pea plants were dominant, all the pea plants in Mendel's F1 generation would have been

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short

Question 5: When Gregor Mendel crossed true-breeding tall plants with true-breeding short plants, all of the offspring were tall because

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the allele for tall plants is dominany

Question 6: Gregor Mendel used pea plants to study

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the inheritance of traits

Question 7: The different forms of a gene are called

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alleles Question 8: How many recessive alleles for a trait must an organism inherit in order to show that trait?

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2 Question 9: A cross of red cow (RR) with a white bull (WW) produces all roan offspring(RW).This type of inheritance is known as

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incomplete dominance Question 10: How many different allele combinations would be found in the gametes produced by the pea plant whose genotype was RrYY

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2

Question 11: Gregor Mendel's principles of genetics apply to

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all organisms

Question 12: The principles of probability can be used to

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predict the traits of the offspring produced by genetic crosses

Question 13: When Gregor Mendel crossed a tall plant with a short plant, the F1 plants inherited

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an allele for tallness from the tall parent and an allele for shortness from the short parent Question 14: Situations in which one of the allele for a gene is not completely dominant over another allele for that gene are called

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incomplete dominance

Question 15: If you made a Punnett square showing Gregor Mendel's cross between

true-breeding tall plants and true-breeding short plants, the square would show that the offspring had

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a genotype that was different from that of both parents Question 16: Organisms that have two identical alleles for a particular trait are said to be

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homozygous Question 17: A tall plant is crossed with a short plant. If the tall F1 pea plants are allowed to self-pollinate,

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some of the offspring will be tall and some will be short

Question 18: The principle pf dominance states that

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some alleles are dominant and others are recessive

Question 19: The chemical factors that determine traits are

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genes