Is there something wrong with the Y chromosome or something?

Question

I was just going thru the discovered questions when I discovered this answer:: "Geneticists have found that the Y chromosome is unraveling. SO it seems that the next evolutionary step will be the elimination of males. it also seems t hat we are becoming more androgynous."

Is this a possible step in human evolution?

I'm so confused.

Answer 1

ive heard that theroy as well, all men will be extinct in something like 200 years time, but i dont see it happening all species need a male and female to reproduce

Answer 2

Anything is possible, however exceptionally large men are known to have xyy (a Double Y Chromosome), so that too, could be an evolutionary advance!

Answer 3

The Y chromosome is degrading over time, but it has  a method of repairing itself to counteract that effect, by keeping sections of duplicate code as a kind of back up in case the primary bit gets damaged. Overall, it maintains itself. Less able Y chromosomes get selected out too, and some mutations to it will be positive, so we're not really in any danger of ending up man-less.

http://www.abc.net.au/science/news/stori...

Answer 4

More pseudo science by alarmists... the human Y chromosome is much more stable than the X chromosome & even uses an error correction code that tends to repair itself.  Therefore this is among the most stable of all human chromosomes.

I'll get back with some links.

http://www.sciencedaily.com/releases/200...

Answer 5

Since the Y chromosome is receiving deleterious mutations that it can not get rid of through crossing over recombination they expect it has about 200,000 years left to go. ( remember, only the tips of the Y cross with the X ) Since only the SRY region is essential to s*x determination of males it is likely that we will have the technique to place the region on another chromosome. There are some organisms that seemingly have done just that. They only have one s*x chromosome and the SRY region on a somatic chromosome.