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Mutations in reproductive cells (sperm/egg cell) can be caused by X rays and this can lead to birth defects.
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∙ 14y ago
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What cells are susceptible to mutation?
Any cell, other than red blood cells (which have no genetic material in them) can have mutations. In most cases these mutations are not inheritable, since most cells are not involved directly in the reproductive process. A cell that mutates may become cancerous. Beneficial mutations are rare, although important in the evolutionary process.
What are reproductive cells in the pollen?
Pollen are male sex cells. So they contain sperms.
Is the genetic makeup of daughter cells unique or identical to other cells in the organism during mitosis?
the genetic makeup SHOULD be identical. some mutations can occur so they are not completely identical but these mutations are soo minute that they are often disregarded.
What is somatic variation?
Mutations that occur in the somatic cells are called somatic variations .New mutations occur twice as frequently in sperm as in eggs(germ cells), probably because so many more cell divisions are required to make sperm than eggs.
In what part of your body system does meiosis occur?
Meiosis produces sex cells, so it occurs in the reproductive organs, primary the ovary in females and the testes in males.
Why are mutations in body cells NOT a source of genetic variation?
They happen after the organism has been born, and often lead to tumours and cancer (caused by carcinogens). Other types of mutations can be caused by mutagens, which mutate the DNA of a cell. It doesn't affect the DNA of every cell in the organism/ reproductive cells, so isn't passed on to offspring
Are reproductive cells haploid cells?
Assuming that this is referring to gametes, so sperm and eggs, yes, reproductive cells are haploid.
What does non - reproductive cells mean?
Non- reproductive cells cannot split apart to make more cells. For example, brain cells are non- reproductive cells. You can never get more. Things like drugs and alcohol kill brain cells and they can never come back. So once they're gone, they're gone.
What cells are susceptible to mutation?
Any cell, other than red blood cells (which have no genetic material in them) can have mutations. In most cases these mutations are not inheritable, since most cells are not involved directly in the reproductive process. A cell that mutates may become cancerous. Beneficial mutations are rare, although important in the evolutionary process.
What are reproductive cells in the pollen?
Pollen are male sex cells. So they contain sperms.
Explain why cells divide?
Cells divide so that an individual can undergo Injury repair, make reproductive cells, and be able to grow so that the individual can also grow.
What is the difference between somatic and gametic cells?
a germline mutation is one the was passed on to offspring because the egg or sperm cell was mutated. a somatic mutation is a mutation of the somatic cells (all cells except sex cells) that cannot be passed on to offspring.
Is the genetic makeup of daughter cells unique or identical to other cells in the organism during mitosis?
the genetic makeup SHOULD be identical. some mutations can occur so they are not completely identical but these mutations are soo minute that they are often disregarded.
Why is nuclear radiation dangerous to the human body?
Nuclear radiation is what is called ionizing radiation. It can do a number of things to disrupt living cells. One is to break molecules in the cell apart. If it breaks up DNA in this way, the result is a random mutation. This can cause reproductive mutations if the cell is a reproductive cell. It can also cause a cell to reproduce incorrectly in the body, so as, for example, to produce cancer. Radioactive materials are not the only things that do this. Ultraviolet light can also do it, which is why people should not be exposed to too much sunlight. But radioactive materials are far worse than sunlight in their dangers.
What are the function of mitosis?
mitosis is a process where somatic cells split. that means a single cell become two, two become four, four become eight, and so on. somatic cells are non reproductive cells, like muscle cells. for reproductive cells, like sperm, the same process called meiosis
What is somatic variation?
Mutations that occur in the somatic cells are called somatic variations .New mutations occur twice as frequently in sperm as in eggs(germ cells), probably because so many more cell divisions are required to make sperm than eggs.
What are the sexual reproductive cells in meiosis called?
Cells produced by meiosis are called daughter cells which contain one haploid of chromosomes. So, these cells are called haploid daughter cells.
