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Maternal

Maternal

Relating to or derived from the mother.

Origin: L. Maternus, fr. Mater, mother


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Gene knockdowns in the wasp Nasonia vitripennis

... Rosenberg MI, Brent AE, Payre F, Desplan C. eLife. 2014;3:e01440 doi:10.7554/eLife.01440 "Although parental RNAi in Nasonia is effective for maternal and early zygotic genes ..., it often does not provide significant knockdown of later-acting genes. To overcome this limitation, we designed ...

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by jonmoulton
Fri Mar 07, 2014 5:57 pm
 
Forum: Molecular Biology
Topic: Gene knockdowns in the wasp Nasonia vitripennis
Replies: 0
Views: 1014

Turner Syndrome and X chromosomes

Hi, I have a question. My university biology professor told us that one X chromosome in women is always bundled up, and we have some cells with the maternal x chromosome bunched up, and the others have the paternal x chromosome bunched up. Essentially, only one is in use at any given time, right? ...

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by ofekistit
Sun Nov 17, 2013 3:33 pm
 
Forum: Human Biology
Topic: Turner Syndrome and X chromosomes
Replies: 1
Views: 881

Re: What causes dominance between alleles?

... is a good way to illustrate once possibility (and a fairly common one). When you have two healthy alleles for a particular gene, one copy on a maternal and one on the corresponding paternal chromosome (and excluding the sex chromosomes), then usually both copies are making transcripts. Maternal ...

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by jonmoulton
Fri Aug 09, 2013 7:45 pm
 
Forum: Genetics
Topic: What causes dominance between alleles?
Replies: 2
Views: 2891

X chromosome inactivation

... not considered as "X chromosome inactivation". In mammals, X chromosome inactivation is random and can happen on the paternal or on the maternal X chromosome. hope it helps!

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by cathbr
Thu Jul 18, 2013 3:56 pm
 
Forum: Molecular Biology
Topic: X chromosome inactivation
Replies: 1
Views: 1525

Re: Can you think of an evolutionary reason for this?

... who grow up with both parents.Some studies show that the presence of a stepfather in the house also correlates with early puberty. Evidence links maternal depression with developing early. " http://www.nytimes.com/2012/04/01/magazine/puberty-before-age-10-a-new-normal.html?pagewanted=4&_r=4 ...

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by Cat
Fri Sep 28, 2012 3:12 pm
 
Forum: Evolution
Topic: Can you think of an evolutionary reason for this?
Replies: 8
Views: 5655
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