Topic: Drosophila Polytene Chromosomes
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Answers to Common Questions
How polytene chromosomes formed?
When DNA replication takes place without subsequent cell division, polytene chromosomes may result. These are giant chromosomes comprised of multiple chromatids (identical chromosome copies) arranged together like strands of a large cable. ... Read More »
Source: http://wiki.answers.com/Q/How_polytene_chromosomes_formed
What is polytene chromosome?
( ′päl·i′tēn ′krō·mə′sōm ) (genetics) A giant, multistranded, chromosome produced by multiple sounds of endoreduplication and thus composed of many copies of the parental chromosome pair having their chromomeres in register. Also known as B... Read More »
Source: http://www.answers.com/topic/polytene-chromosome
What organism has a polytene chromosome?
Drosophilia Read More »
Source: http://wiki.answers.com/Q/What_organism_has_a_polytene_chromosome
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Drosophila Polytene Chromosomes
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Source: http://answers.yahoo.com/question/index?qid=20091031182543AAEqb1x
Hi ali-- The first use of polytene chromosomes in Drosophila is their use as genetic markers in which the chromosomal inversions are considered alleles and are utilized to examine gene flow and other population genetic parameters. The secon...
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Source: http://en.allexperts.com/q/Genetics-1795/polytene-chromosome.htm
A Lampbrush chromosome is the largest chromosome known, and is found in the amphibian oocytes (immature eggs). Lampbrush chromosomes occur during the diplotene stage of meiosis I. These chromosomes are producing large amounts of RNA for the...
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Source: http://answers.yahoo.com/question/index?qid=20100302051519AA0Lklq
There are 4 chromosome pairs in Drosophila melanogaster. One pair of gonosomes and three pairs of autosomes.
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Source: http://wiki.answers.com/Q/Widely_uesd_as_an_animal_model_for_expe...
The karyotype of Drosophila comprises four pairs of chromosomes, of which three pairs are autosomes and one pair are sex chromosomes. Female Drosophila are XX, and males XY.
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Source: http://wiki.answers.com/Q/How_many_chromosome_pairs_are_in_Drosop...
Source: http://wiki.answers.com/Q/How_many_chromosomes_in_a_haploid_droso...
