Chromosome Abnormalities and Non-Mendelian Inheritance Video Lessons

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Problem: A mutation results in a triploid (three sets of chromosomes). Which of the following most likely led to the creation of a triploid cell?A. The homologous chromosomes in the zygote did not separate into meiosis.B. The homologous chromosomes in both the sperm and the egg did not separate during meiosis.C. The homologous chromosomes in either the sperm or egg cell did not separate during meiosis.D. The homologous chromosomes in the zygote did not separate during mitosis.

FREE Expert Solution

A normal individual with diploid chromosome sets will always have diploid daughter cells after every mitotic cell division. However, certain abnormalities can lead to different number of chromosome sets. These may be caused by fertilization of abnormal gametes.

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Problem Details

A mutation results in a triploid (three sets of chromosomes). Which of the following most likely led to the creation of a triploid cell?

A. The homologous chromosomes in the zygote did not separate into meiosis.

B. The homologous chromosomes in both the sperm and the egg did not separate during meiosis.

C. The homologous chromosomes in either the sperm or egg cell did not separate during meiosis.

D. The homologous chromosomes in the zygote did not separate during mitosis.

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