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I believe one is inherited from each parent.

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What two identical bodies make up a duplicated chromosome?

Somatic cell chromosome is made of two identical chromatids


Explain the exchange of chromosome segments between chromatids of homologous or non-homologous chromosomes?

a. crossing over b. independent assortment or c. random fertilization


What are 4 types of chromosome structural changes?

The four types of alterations of chromosome structure are deletion, duplication, inversion, and reciprocal translocation. Deletion is the loss of one or more nucleotides from a gene by mutation; the loss of a fragment of a chromosome. Duplication is repition of a part of a chromosome resulting from fusion with a fragment froma homologous chromosome. Duplication can result from an error in meiosis or from mutagenesis. Inversion is a change in a chromosomeresulting from reattachment of a chromosome fragment to the original chromosome, but in a reverse direction. Mutagens and errors during mesosis can cause inversions. Translocation is the attachment of a chromosomal fragment to a nonhomologous chromosome.


What is the difference between translocation and nondisjunction?

Nondisjunction is when a Chromosome is unable to separate correctly during cell devision. Translocation (In Chromosomes) is when an abnormality is caused by the rearrangement of parts between non-homologous Chromosomes.


How many chromosomes are in a mouse's gamete?

Gametes only have one set of each chromosome pair so that when two gametes come together, the chromosome number in the embryo is correct. There are 19 autosomes and one sex chromosome in the mouse gamete.

Related Questions

Where does each chromosome in a pair of homologous chromosomes come from?

Each chromosome in a pair of homologous chromosomes is inherited from one parent. One chromosome comes from the mother (maternal) and the other from the father (paternal).


How many chromosomes are in a homologous pair?

in a homologous chromosome there are two chromosomes ( a chromosome and a sister chromosome)


How many possible homologous chromosome alignments are there?

There are 2n possible homologous chromosome alignments, where n is the number of homologous pairs of chromosomes.


Chromosomes that have a corresponding chromosome?

Homologous


What portion of the human Y chromosome is homologous to the human X chromosome?

The pseudoautosomal regions (PARs) at the tips of the Y chromosome are homologous to regions on the X chromosome. These PARs are responsible for pairing and recombination between the X and Y chromosomes during meiosis. About 5% of the Y chromosome is homologous to the X chromosome in humans.


What is a chromosome called with matching information?

A chromosome with matching information is called a homologous chromosome. Homologous chromosomes have the same genes at the same loci, although they may have different versions of those genes. These chromosomes are inherited, one from each parent.


What can homologous chromosomes be called?

chromosome pairs


What are The two sets of chromosome that come from the female parent and the male parent?

The two sets of chromosomes that come from the female parent are the two X chromosomes, while the two sets from the male parent are one X and one Y chromosome. This combination determines the genetic sex of the offspring, with XX resulting in a female and XY resulting in a male.


When is the haploid chromosome created?

homologous chromosomes separate.


Which homologous chromosome pair in humans is the only one that is not identical?

The only homologous chromosome pair in humans that is not identical is the sex chromosomes, specifically the X and Y chromosomes.


One of the two homologous strands of a chromosome?

A homologous strand of a chromosome is a duplicated copy of the original chromosome, formed during DNA replication. It contains the same genetic information as the original chromosome and is held together by a centromere. Homologous chromosomes play a key role in meiosis, where they pair up and exchange genetic material during crossing over.


If a segment of a chromosome breaks away and joins to a non-homologous chromosomes what is it called?

When a segment of a chromosome breaks away and joins a non-homologous chromosome, it is called a translocation. This can lead to gene disruptions and potentially cause genetic disorders.