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What are four types of chromosomal mutations?
Four types of chromosomal mutations are Down syndrome (which is a mutation in which there are three copies of chromosome 21), Kinefelter Syndrome (which is a mutation in which a male has an extra X-chromosome), Turner Syndrome (which is a mutation in which a female is missing an X-chromosome), and Patau Syndrome (which is a mutation in which there are three copies of chromosome 13).
What is a chromosome called when it gets lost during mitosis?
" gets lost "I think you are describing a nondisjuction event where the chromosomes are not properly pulled apart to their proper positions by the mitotic spindle.
Humans who have lost one copy of an autosome are called?
Humans who have lost one copy of an autosome are called heterozygous for that specific chromosome. This condition is known as monosomy for that particular autosome.
The Y chromosome is larger and carries fewer genes than the X chromosome?
No. The Y chromosome is much smaller than the X chromosome. There are only about 70 active genes on the Y chromosome and many more deleteriously mutated one. The X chromosome contains many more active genes and only crosses over marginally with the Y chromosome.
Mutation that occurs at the chromosome level resulting in changes in the gene distribution?
Chromosomal mutationAneuploidyAneuploidy occurs when a cell has the wrong number of chromosomes either due to an extra or missing chromosome. This type of problem can occur during the anaphase part of M phase. Through a process called nondisjunction the chromosome pairs may not separate properly causing one of the daughter cells to receive both copies of a chromosome and the other daughter cell receives no copies of that chromosome. Therefore, one daughter cell will have an extra chromosome and the other daughter cell will have a missing chromosome. Also, this problem can occur if there is a lag during anaphase. When the pairs of chromosomes separate to each side of the cell, a chromosome may travel too slow which would cause it to not be incorporated into the new cell. This new cell would be missing a chromosome. DeletionChromosome Deletions occur when the cell is missing a portion of a chromosome. This type of problem can occur during S phase if there is a problem during DNA replication or other parts of interphase if the DNA is damaged. DuplicationChromosome Duplications occur when a cell has a repeated portion of a chromosome which causes the cell to have extra information. This type of problem can occur during S phase if there is a problem during DNA replication. InversionChromosome Inversions occur when a piece of a chromosome breaks and that piece is reattached in the opposite orientation. This type of problem can occur during interphase if the DNA is exposed to damage that causes DNA breakage. InsertionChromosome Insertions occur when a piece of a chromosome that had broken reattaches in a location where this genetic material is not typically found. This type of problem can occur during interphase if the DNA is broken and then repaired by attaching to a different location. TranslocationThere are two types of translocations: reciprocal and robertsonian. A reciprocal translocation occurs when two nonhomologous chromosomes break and then switch genetic material. A robertsonian translocation occurs when two chromosomes break on the p arm near the centromere and then the two q arms attach together while the p arms are lost. Either of these types of translocation can occur at any point during the cell cycle.
What are four types of chromosomal mutations?
Four types of chromosomal mutations are Down syndrome (which is a mutation in which there are three copies of chromosome 21), Kinefelter Syndrome (which is a mutation in which a male has an extra X-chromosome), Turner Syndrome (which is a mutation in which a female is missing an X-chromosome), and Patau Syndrome (which is a mutation in which there are three copies of chromosome 13).
What is a chromosome called when it gets lost during mitosis?
" gets lost "I think you are describing a nondisjuction event where the chromosomes are not properly pulled apart to their proper positions by the mitotic spindle.
What diagram models deletion in which a chromosomes breaks and a piece of DNA is lost?
A deletion mutation is best represented in a karyotype diagram, where a section of a chromosome is missing or deleted. This is shown as a gap or break in the chromosome. Alternatively, a chromosomal ideogram can also illustrate a deletion by displaying a portion of a chromosome missing or shortened.
Humans who have lost one copy of an autosome are called?
Humans who have lost one copy of an autosome are called heterozygous for that specific chromosome. This condition is known as monosomy for that particular autosome.
When a chromosome undergoes a delation mutation information is?
Information is lost.
The diagram models deletion in which a chromosome breaks and a piece of DNA is lost?
The diagram illustrates the process of deletion, a type of chromosomal mutation where a segment of DNA is removed from a chromosome. This can occur due to various factors, such as errors during DNA replication or exposure to radiation. The loss of genetic material can lead to significant consequences, including developmental abnormalities or increased susceptibility to diseases. Overall, deletion can disrupt gene function and impact an organism's phenotype.
When parts of chromosomes are broken off and lost during mitosis or meiosis the result is an?
when parts of chromosomes are broken off and lost during mitosis the results is a chromosomal mutation
When parts of chromosomes are broken off and lost during mitosis or meiosis the result is?
when parts of chromosomes are broken off and lost during mitosis the results is a chromosomal mutation
Describe four types of mutation resulting from the breakage of chromosome?
Deletion: a segment of the chromosome is lost during breakage. Duplication: a segment of the chromosome is copied and inserted back into the chromosome following breakage. Inversion: a segment of the chromosome is reversed and re-inserted following breakage. Translocation: a segment of the chromosome breaks off and joins a different chromosome.
What happens if asegment of DNA is deleted?
It would be as if a part of a chromosome were lost. This is called a deletion. It can cause a gene to be lost or not expressed. Several genetic disorders are caused by this process.
Most serious problem associated with the inversion of genetic material?
Chromosomal defects in offspring. Because no genetic material is lost with inversion of genetic material, individuals often have no obvious physical effects. The major risk with the inversion of genetic material is that offspring of these individuals may have more severe chromosomal abnormalities.
The Y chromosome is larger and carries fewer genes than the X chromosome?
No. The Y chromosome is much smaller than the X chromosome. There are only about 70 active genes on the Y chromosome and many more deleteriously mutated one. The X chromosome contains many more active genes and only crosses over marginally with the Y chromosome.
