Dictionary » C » Chromosome Pair

Chromosome Pair

Homologous chromosomes.chromosome pair

two chromosomes of the full diploid karyotype that are similar in form and function but that usually differ in content, one normally being inherited from each parent and one being transmitted to each progeny; in the heteromorphic sex (in humans, the male), one pair, the sex chromosomes, differ markedly in appearance, content, and function.


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Genetics with Mitosis and Meiosis

... cycle: G-1 S-phase G-2 M-phase (division) Mitosis: Before S-phase, each chromosome consists of one strand of DNA. The DNA is copied during S-phase. ... apart, but there are half as many chromosomes (one from each homologous pair). This one should be easy. This was actually a bit confusing for me. ...

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by wildfunguy
Sun Feb 03, 2013 11:45 pm
 
Forum: Genetics
Topic: Genetics with Mitosis and Meiosis
Replies: 2
Views: 6249

How dominance works at the DNA/RNA/protein

Thank you! I was getting confused between pairs of chromosomes and pairs of chromatids. I think I have a clearer mental model now: Suppose we have a gene ...

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by mhwombat
Thu Oct 04, 2012 6:35 pm
 
Forum: Genetics
Topic: How dominance works at the DNA/RNA/protein
Replies: 10
Views: 5936

Is this information correct? Regarding Mitosis and Meiosis

... process of mitosis occurs when cells are produced for growth and repair. Meiosis occurs when cells are produced for sexual reproduction. Prior ... nuclear membrane breaks down as the DNA organised into what is known as chromosomes. In meiosis the chromosome synapse, this results in the mixing ...

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by BrandonScherrer
Mon Jul 30, 2012 1:54 pm
 
Forum: Cell Biology
Topic: Is this information correct? Regarding Mitosis and Meiosis
Replies: 0
Views: 3810

Re: I have some questions over Binary Fission and Mitosis...

... can refer to cell division in bacteria. Bacteria replicate their chromosomes prior to division, but I don't think that state can be called ... identical. Diploid organisms can be carrying different alleles on each pair of sister chromosomes, but this is not the case for a duplicated bacterial ...

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by jonmoulton
Fri May 04, 2012 2:51 pm
 
Forum: Cell Biology
Topic: I have some questions over Binary Fission and Mitosis...
Replies: 2
Views: 2401

Re: Theories - Origin of Life

... Guarnine ( G ) Chargaffs Rules govern two things. 1 ) Adenine(T) always pairs with Thymine (T) and are in equal amounts Guanine (G) and Cytosine ... 2001 Abstract One of the most striking features of mammalian chromosomes is the variation in G+C content that occurs over scales of hundreds ...

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by scottie
Tue Jan 03, 2012 12:15 pm
 
Forum: Evolution
Topic: Theories - Origin of Life
Replies: 559
Views: 755228
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