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What change in the chromosomal structure involves the transfer of one section of a chromosome to a non homologous chromosome?
The change in chromosomal structure involving the transfer of one section of a chromosome to a non-homologous chromosome is known as a chromosomal translocation. This can result in genes being positioned in a different order or location, which can potentially disrupt gene function or regulation. Translocations are associated with various genetic disorders and can have significant effects on an individual's health and development.
What Is the failure of a pair of a homologous chromosomes?
The failure of a pair of homologous chromosomes to separate properly during cell division is called non-disjunction. This can result in an incorrect distribution of chromosomes into daughter cells, leading to cells with an abnormal chromosome number (aneuploidy). Non-disjunction can result in conditions like Down syndrome.
Explain why the daughter cells produced by meiosis are genetically different from each other?
Daughter cells produced by meiosis are genetically different due to two main processes: crossing over, where genetic material is exchanged between homologous chromosomes, and independent assortment, where chromosomes line up randomly during metaphase I. These processes result in genetic variation in the daughter cells.
The haploid chromosome number is created when?
The haploid chromosome number is created during the process of meiosis, which involves two divisions that ultimately result in the formation of haploid gametes (sex cells) with half the number of chromosomes found in the original cell.
Which set of chromatids illustrates the result of a single crossover of the homologous chromosomes?
A single crossover of homologous chromosomes results in two chromatids that have recombined genetic material from both parents. This means that two of the chromatids will have segments from one homologous chromosome, while the other two will retain the original segments from the other homolog. Therefore, the set of chromatids illustrating this result will show two chromatids with new combinations of alleles and two chromatids with the parental combinations.
Why does binary fission not result in genetically different organisms?
It is a form of natural cloning, both cells get identical copies of the chromosome(s).
Which process result in the formation of two genetically different cells?
Mutations result in formation of genetically different cells.
What change in the chromosomal structure involves the transfer of one section of a chromosome to a non homologous chromosome?
The change in chromosomal structure involving the transfer of one section of a chromosome to a non-homologous chromosome is known as a chromosomal translocation. This can result in genes being positioned in a different order or location, which can potentially disrupt gene function or regulation. Translocations are associated with various genetic disorders and can have significant effects on an individual's health and development.
Which of these would occur as a result of independent assortment of homologous chromosomes-?
A copy of your mother's gene for a characteristic would go to a different daughter cell than the copy of your father's gene for the same chromosome.Read more: Which_of_these_would_occur_as_a_result_of_independent_assortment_of_homologous_chromosomes
When part of one chromosome breaks off and is added to a different chromosome the result is a?
Addition
When part of the one chromosome breaks off and is added to a different chromosome the result is a?
Translocation
When a part of one chromosome breaks off and is added to a different chromosome the result is?
Addition
How are homologous different?
Homologous chromosomes are a set of chromosome pairs, one set maternal and the other paternal, that pair up during meiosis, the production of reproductive cells. The pairs have the same genes in the same locations, though once spread out the different pairs segregate out. the biggest way that these chromosomes change up is by exchanging lengths of the material.
What are the four types of chromosomal mutations?
There are four different types of chromosomal mutations: Deletions, Translocations, Duplications and Inversions
What is the result of joining two genetically different mycelia in sac fungi?
dikaryotic
What Is the failure of a pair of a homologous chromosomes?
The failure of a pair of homologous chromosomes to separate properly during cell division is called non-disjunction. This can result in an incorrect distribution of chromosomes into daughter cells, leading to cells with an abnormal chromosome number (aneuploidy). Non-disjunction can result in conditions like Down syndrome.
Why can't we inherit both copies of a homologous chromosome from the same parent?
If we inherited both copies of a homologous chromosome, that would mean that we would only have one parent. Since mammals reproduce by sexual reproduction, it is impossible for this to happen.
