'Junk DNA' Darwinism Genetics Genomics Intelligent Design

The “deteriorating” Y chromosome features new genes

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Human male karyotpe high resolution - Chromosome Y.png
human Y chromosome

From ScienceDaily:

Researchers from the Institute of Population Genetics at Vetmeduni Vienna, using a new and highly specific analysis method, could now provide fresh momentum to help decode the evolutionary dynamics of the Y chromosome. Their study shows that ten times more new genes are transferred onto the Y chromosome in fruit flies than had been previously thought. Some of these new genes even appear to have taken on important functions.

A special surprise for the research team was that four of the 25 newly transferred genes on the Y chromosome have already assumed an important function there. “As these new genes can be found in all individuals of a species, the question arises as to which functions these new Y-linked genes could have,” says Tobler. Until now, it has been still completely unclear if and how long these new genes can withstand the deterioration of the Y chromosome. As the new analysis method does not require a reference genome for the Y chromosome, it offers enormous potential to study the dynamics of new genes on the Y chromosome in many different species. “I expect many more exciting findings,” concludes Christian Schlötterer. Paper. (paywall) – Ray Tobler, Viola Nolte, Christian Schlötterer. High rate of translocation-based gene birth on theDrosophilaY chromosome. Proceedings of the National Academy of Sciences, 2017; 201706502 DOI: 10.1073/pnas.1706502114 More.

File under: The complete inadequacy of the Darwin-driven, gene-centric approach to evolution.

See also: Human and chimp Y chromosomes are very different

Y chromosome kept for “very specific reason,” “not random”

Y chromosome arose independently twice at same time, 180 mya

and

Junk DNA files: Genes on the Y chromosome a must for male survival (The Y chromosome had been reprieved earlier from its status as a vestige about to disappear, but this is newish)

2 Replies to “The “deteriorating” Y chromosome features new genes

  1. 1
    Dionisio says:

    “than had been previously thought”

    Haven’t we heard that phrase before?

    🙂

  2. 2
    Dionisio says:

    Could it be that the main difference may not be in the chromosomes, but in the specific implementation of the designed system that uses the information stored in the chromosomes?

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