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Why only mutations in gametes can be passed on to future generations?
Mutations in gametes can be passed on to future generations because gametes are involved in reproduction and carry genetic information that can be inherited by offspring. Somatic mutations, which occur in non-reproductive cells, do not affect the germline and therefore cannot be passed on to future generations.
When are mutations passed on to future generations?
Mutations can be passed on to future generations when they occur in the DNA of germ cells (sperm and egg cells) that are involved in reproduction. These mutations can be inherited by offspring and become a part of their genetic makeup.
What Mutation does not affect the offsping?
Somatic mutations are not passed on to offspring because they occur in non-reproductive cells. These mutations only affect the individual in which they occur, and are not transmitted to future generations.
What is an example of hereditary variation?
An example of hereditary variation is the difference in eye color among individuals within a family. This variation is influenced by genetic factors inherited from parents, where specific alleles determine traits like blue, brown, or green eyes. Such differences arise from the combination of genes passed down through generations, showcasing the diversity that can occur within a species.
When two different alleles occur in a cell?
A heterozygous condition.
What problem would occur in future generations if meiosis did not precede the formation of gametes?
If gametes were not produced then there would be no way of reproducing so the human species would die out.
What is the function of chromosome changes that occur in mitosis?
These changes usually occur in meiosis not mitosis. It causes a mixing of the alleles.
What is the future tense of will occur?
"will occur" is future tense. The present tense is occur, and the past tense is occurred.
What does sex linked alleles mean?
Sex linked genes occur only on the X or the Y sex chromosomes.
Why do alleles occur in pairs?
7th grade science is a pain ain't it.... Paired Chromosomes.
How long it takes for speciation to occur?
several generations
Is crossing over possible in multiple alleles?
Yes, crossing over can occur between multiple alleles located on the same chromosome. This can lead to the exchange of genetic material between different alleles during meiosis.
