Compare and contrast the potential effects of a mutation that occurs in a cell t

Question

Compare and contrast the potential effects of a mutation that occurs in a cell that is undergoing mitosis with a mutation that occurs in a cell that is undergoing meiosis. What is the range of the effects of each? Check all that apply.

1.Mutations that occur in cells undergoing meiosis can be passed on to the individual's children.

2.Mutations that occur in cells undergoing mitosis can be passed on to the individual's children.

3.Only mutations that occur in mitosis are associated with human disease.

4.Mutations that occur in cells undergoing both mitosis and meiosis are associated with cancer.

Explanation / Answer

1. Mutations that occur in cells undergoing meiosis can be passe on to individual's children: TRUE

Explanation: Any changes in DNA, occuring in gametes, during their formation through the process of meiosis, passes on to the offsprings and is capable of getting transmitted from one generation to another.

2. Mutations that occur in cells undergoing mitosis can be passed on to the individual children: FALSE

Mitosis occurs in somatic cells. These cells do not contribute towards fertilisation hence any changes in these are not transmitted to the next generation.

3. Only mutations that occur in mitosis are associated with human disease: FALSE

Irrespective of type of division, change in DNA (mutation) in any cell (Meiocyte or mitocyte ) can lead to the disease. Change in DNA, changes its expression and may lead to malfunction of a gene causing a disease.

4. Mutations that occur in cells undergoing both mitosis and meiosis are assoicated with cancer.: TRUE

Mutation occuring during any type of division-mitosis or meiosis can lead to changes in tumor suppressor gene or protooncogene. In any such case the person can suffer from cancer.

Differences:

Similarities:

Both mutations during meiosis or mitosis lead to disorders: disease or malfunctioning of genes, cancer.

MITOSIS MUTATIONS MEIOSIS MUTATIONS 1. Mostly ocur in somatic cells(non reproductive cells) 1. Occur in reproductive cell 2. These mutations remain confined to the individual only 2. These mutations pass from one generation to another.

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