metacentric chromosome

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A chromosome with a centrally placed centromere that divides the chromosome into two arms having approximately equal length.

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Did you ever collect all those state quarters? Put them to good use on this quiz about curious state monikers and the facts around them.

Question 1 of 8

Mississippi’s nickname comes from the magnificent trees that grow there. What is it?

And yet they proved to have the same virus fossils in the exact same chromosome amid billions of possibilities.
Ebola's Roots Are 50 Times Older Than Mankind. And That Could Be the Key to Stopping It.|Michael Daly|October 20, 2014|DAILY BEAST
Carried distinctly through men, the Y chromosome only gives a portion of the entire mitochondrial DNA.
This Artist Reproduced van Gogh’s Ear…and It’s Alive!|Justin Jones|June 4, 2014|DAILY BEAST
It's not delirium tremors and chromosome breakage and only a small number of users would be seriously harmed.
Weed Gave My Family Everything—Then Took It Away|Abby Haglage|April 9, 2014|DAILY BEAST
Once it was shown that women can have a single X chromosome (just as men can have two of them) that was abandoned as well.
Caster Semenya And The IOC’s Olympics Gender Bender|Jesse Ellison|July 26, 2012|DAILY BEAST

What does it mean, really, if your 14-week-old fetus has a deletion on chromosome 12?
New Finding That Testing Could Identify Defects in Fetuses Is a Genetics Baby Step|Kent Sepkowitz|June 8, 2012|DAILY BEAST
This X chromosome has also the factor for the development of red-eye pigment.
The Organism as a Whole|Jacques Loeb
The accessory chromosome has been now observed in most of the great divisions of insects, except, as it happens, Lepidoptera.
Evolution in Modern Thought|Ernst Haeckel
Montgomery afterward showed that Henkings nucleolus was an accessory chromosome.
The Organism as a Whole|Jacques Loeb
The chromosome situation in Protenor is a somewhat extreme case, inasmuch as one X chromosome is entirely lacking in the male.
The Organism as a Whole|Jacques Loeb
On the basis of the chromosome theory the following explanation could be given of this numerical relation.
The Organism as a Whole|Jacques Loeb