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Why have mammals got 2 testicels instead of 1  or 3 ?

VAL3941 8 May 8
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1

Level 6

Well if this doesn’t sound like the lead-in to a good joke but I’m guessing it’s not. I would suggest that it was the best adaptive form that improves the changes of our DNA survival. One is too risky and three would be inefficient.

And as in Goldilocks, 2 is just right ???
1

Level 8

More than two is a load of bollocks 🙂

I agree and heavier too ?
3

Level 8

As far as human men are concerned if we only had one ball we couldn't say, "man that guy has BALLS"

2

Level 8

I guess it is like having 2 parents, to lose one is unfortunate, to lose both is careless?

Thats one way of putting it, what about accidents ???

@VAL3941 Just an old quote from Great Expectations by Dickens. In my case losing both would have been a carefully calculated plan. ummm, parents that is.

@Rugglesby
And where would you have hid the bodies ???

@VAL3941 There was a disused windmill shaft, years ago we would dispose of dead cattle down it. 15 feet wide, over 300 feet deep, long forgotten

@Rugglesby
So you mix your parents in with cattle and sheep ?

@VAL3941 well. worms can't tell the difference. (A)

@Rugglesby
Nor will your parents if they were there ? ?
1

Level 5

If the species only had one and it was damaged, no reproduction.....
Two seems to be a fail safe.
If you had three.... people would always be coming up to you asking "how much can I get for this?" or "Do you buy gold?"

We talking Testes not pawn shop balls ?

Really? ....dayum. Sorry.

1

Level 8

I know why we have two eyes, nostrils and ears but not the testicles but you could say that about lunges, kidneys etc though one heart. all snakes have two penis and Stegosaurus had two brains. an octopuses stomach runs threw its doughnut-shaped heart. it's a strange world.

If you don't know the answed to the teste question you have not studied enough ? Go back to your books !

@VAL3941 it's not that important to me

@LeighShelton
Me niether, but it turning into an interestin post. Thanks for commenting though !

@VAL3941 your more than welcome lol

@LeighShelton
Thank you again

@VAL3941 your welcome

@LeighShelton
Every now and again onne hits the jackpot on a post as is this one . Lol

@VAL3941 you bet lol

@LeighShelton
I need the points to level 8. ???

@VAL3941 i dont

@LeighShelton
Lucky you ! Lol

@VAL3941 am I?

@LeighShelton
I would think so ?

@VAL3941 I don't know why

@LeighShelton
To go up another level ?

@VAL3941 yes, I know that part but I don't care what level I'm on because it just happens when you talk a lot on here.

@LeighShelton
Damnit, I already sound like a woman !!

@VAL3941 just what I was thinking. can we get a divorce lol now that you seem to have got the point?

@LeighShelton
But Iblike the relationship ??? Lol
2

Level 7

Juggling 2 is hard enough, I'm not coordinated enough for 3. ??????

You sharp hey, but are your hands big enough and warm enough to handle them ???
3

Level 7

If just one and you lose it then you can't reproduce, if you lose both testes then there's a good chance whatever took them left you dead.

cava Level 7 May 8, 2018
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So then I am alive ??? Yipeeee
2

Level 9

There was probably some evolutionary advantage at some point for reproductive sacks (testes in males and ovaries in females) to be semetrical. Since all mammals start off developing as female in the womb, that to may somehow be related.

2

Level 8

And two eyes, two nostrils, etc., but of course not all animals have two testicles..carabid beetles only have one testicle, for instance.

And not all creatures have bilateral symmetry either; many have radial symmetry, and sponges are asymmetrical.

Carabid beetle is an insect, not a mammel ?

@VAL3941 No, that's why I said "animal." All mammals have bilateral symmetry, so have two of most things.

@birdingnut
So the question remains, why ??

@VAL3941 I assume it's because it makes for the most efficient locomotion. If something is lopsided, it will tend to go in circles. Also, it makes it simpler for the brain to manage all the neurological connections.

Furthermore, evolution has hard-wired most bilaterally symmetrical animals to choose mates with highest degree of symmetry, since any deviation usually indicates DNA flaws.

This is also true of humans also. When hundreds of photos of faces of women are combined into a single photo, the face appears to be beautiful. When newborn babies are shown photos of a beautiful face, several plain faces, and the face of the babies' mother, the babies invariably stare the longest at the beautiful face.

@birdingnut
Wow ! Like your book. Did not finish it though so will not reply ! Lol
1

Level 6

One's for backup.

And if 2 get squished ?

@VAL3941 You have better made babies before then or you have Failed in evolution!

@DavidLaDeau Fair enough, I can accept that !
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