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How does genetic variation and mutations relate to each other?
mutation brings about variation which is the basis of evolution and the two types of variation are heritable and non-heritable
Why are male mutation rates higher than female?
This is because mutations occur in x chromosomes. The male, who has "xy" sex chromosomes, will have the mutation if it is present in the x chromosome. Females, there is a smaller chance because there are two "xx" chromosomes, which reduces the chance that the mutation will be present.
The original source of genetic variation that serves as the raw material for natural selection is what?
Generally, mutation.
What are two types of evidence that suggest that evolution has occurred?
The two types are Dna, and fossils
Why is mutation important to spectation?
Without mutation there can be no evolution. Without evolution there can be no speciation.
Name 2 major types of mutation?
i] spontaneous mutation ii] induced mutation iii] germinal mutation iv] somatic mutation v] chromosomal mutation vi] gene mutation are the some of the major types of mutation......
What are the major types of mutation event?
gene mutation, chromosomal abberations
What are the types of mutations that can occur?
nonsense mutation, missense mutation, frameshift muation, deletion or addition mutation
What is reciprocal mutation?
when there is a two way exchange of genetic portion between two non-homologus chromosomes, its called reciprocal mutation, its a type of translocation mutation
List two types of gene mutations?
Two types of gene mutations are chromosomal and point mutation. Chromosomal mutation alters a cell's chromosomes, while point mutation replaces single-base pair nucleotides with other nucleotides found in RNA or DNA.
Which types of mutation can add genes to a chromosomes?
insertion and deletion
Only one or two nucleotides are changed in a certain mutation this is an example of?
Only one or two nucleotides are changed in a certain mutation. This is an example of a(n)
Name two major types of mutations?
Frameshift mutations and Point mutations. The difference between the two are that point mutations occur at a single point in the DNA sequence and frameshift mutations shift the "reading frame" of the genetic message.
What types of mutation results when bases are added to a gene?
Frameshift
What are 3 types of mutation?
The three types of mutations are substitution (where one base is replaced with another), insertion (where an extra base is added), and deletion (where a base is removed). These mutations can alter the DNA sequence and potentially change the resulting protein.
What types of cells must be involved for a mutation to be passed on to the organisms offspring?
genes
What are four of chromosomal mutation?
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).
