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Down syndrome is typically caused by an extra copy of chromosome 21, resulting from a process called nondisjunction, which occurs during cell division. This mutation can happen during the formation of the egg or sperm, or during the early stages of embryonic development. As a result, the genetic change that leads to Down syndrome occurs before or at the time of conception. Therefore, the mutation is present from the moment of fertilization.
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When a child has Trisomy when does the mutation occur?
during meiosis
How is gigantism passed down from parents to child?
Gigantism is often caused by a genetic mutation that leads to excessive growth hormone production. This mutation can be passed down from a parent to a child through inheritance of the specific gene involved in regulating growth hormones. However, not all cases of gigantism are inherited, as some can be caused by non-genetic factors or random mutations.
What is an example of a good or bad mutation?
A good mutation example is lactase persistence, where individuals can digest lactose into adulthood. A bad mutation example is cystic fibrosis, a genetic disorder that causes severe respiratory and digestive problems.
What kind of cell has to have a mutation in order to be passed on to offspring?
Germ cells, specifically eggs and sperm, must have a mutation in order for it to potentially be passed on to offspring. These mutations can occur during the process of cell division that produces these specialized reproductive cells. Any mutation that arises in somatic cells (non-reproductive cells) will not be passed on to offspring.
What is a founder mutation?
A founder mutation is a genetic alteration that is present in a population due to its ancestry from a small group of individuals who carried the mutation. This mutation can be passed down through generations, leading to a high frequency of the mutation in a specific population.
If a child is born with down syndrome when did the mutation occur?
During meiosis
Why did evolution not occur in down syndrome?
Down Syndrome is a the addition of an extra chromosome and not really related to evolution. It is more of a genetic mutation that causes this event to occur.
When a child has Trisomy when does the mutation occur?
during meiosis
How does a genetic mutation occur when the mom and dad does not have one?
If something were passed down from parents, that would be inheritance. A mutation is when something goes wrong and causes a change in the genetic structure. Mutations can be caused by radiation or chemicals or mutations can also occur "naturally" when some part of DNA replication or correction goes wrong.
What could be described as a chromosomal mutation?
Chromosomal mutation can have lasting impacts on the person who this happens to. A version of a chromosomal mutation is the mutation that leads to Down's Syndrome.
How is albinism inherited and passed down through generations?
Albinism is a genetic condition that is inherited when both parents carry a specific gene mutation. This mutation is passed down through generations in an autosomal recessive pattern, meaning that both parents must pass on the mutated gene for a child to have albinism.
How is gigantism passed down from parents to child?
Gigantism is often caused by a genetic mutation that leads to excessive growth hormone production. This mutation can be passed down from a parent to a child through inheritance of the specific gene involved in regulating growth hormones. However, not all cases of gigantism are inherited, as some can be caused by non-genetic factors or random mutations.
How does a mutation in a cell affect an organism?
A mutation in a sex cell means that the mutation can be passed on to the individuals offspring. If the mutation just occurred in a somatic cell, it would not be passed down.
Explain why a mutation in a sperm or egg cell has different consequences than one in a heart cell?
A mutation in a sperm or egg cell means that the mutation while most likely be passed down to the offspring of that organism. If the mutation is in anything but a gamete, it will not be passed down.
Can a Mutation can be called a Deformity?
A mutation can be called a deformity, because a mutation is passed on, it is like a gene being passed down the pedigree, and in the pedigree there can be a deformity that will be passed on to the next generation. :.
Changes in genes occur when organisms produce?
Changes in genes occur through processes such as mutation, genetic recombination, and gene duplication. These changes can result in variations in traits that can be passed down to offspring through reproduction.
How can mutation cause new species to arise?
If one animal has a mutation and breeds with another animal then a new species may arise. The gene of the mutation may be carried down in the babies.
