Questions from Genetics


Q: With regard to genotypes, what is a true-breeding organism

With regard to genotypes, what is a true-breeding organism?

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Q: How can you determine whether an organism is heterozygous or homozygous for

How can you determine whether an organism is heterozygous or homozygous for a dominant trait?

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Q: In your own words, describe Mendel’s law of segregation. Do

In your own words, describe Mendel’s law of segregation. Do not use the word segregation in your answer.

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Q: Based on genes in pea plants that we have considered in this

Based on genes in pea plants that we have considered in this chapter, which statement(s) is/are not correct? A. The gene causing tall plants is an allele of the gene causing dwarf plants. B. The gen...

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Q: In a cross between a heterozygous tall pea plant and a dwarf

In a cross between a heterozygous tall pea plant and a dwarf plant, predict the ratios of the offspring’s genotypes and phenotypes.

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Q: Do you know the genotype of an individual with a recessive trait

Do you know the genotype of an individual with a recessive trait and/or a dominant trait? Explain your answer.

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Q: The process of binary fission begins with a single mother cell and

The process of binary fission begins with a single mother cell and ends with two daughter cells. Would you expect the mother and daughter cells to be genetically identical? Explain why or why not.

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Q: The arrangement of homologs during metaphase of meiosis I is a random

The arrangement of homologs during metaphase of meiosis I is a random process. In your own words, explain what this means.

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Q: A eukaryotic cell is diploid and contains 10 chromosomes (5 in

A eukaryotic cell is diploid and contains 10 chromosomes (5 in each set). In mitosis and meiosis, how many daughter cells will be produced, and how many chromosomes will each one contain?

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Q: If a diploid cell contains six chromosomes (i.e.,

If a diploid cell contains six chromosomes (i.e., three per set), how many possible random arrangements of homologs could occur during metaphase of meiosis I?

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