Do they have identical genitalia
If you eat all your vegetables and grow up big and strong, will, um, it grow too? If so, the answer is no.
cite?
To the extent that appearance of genitalia is genetic, yes. To the extent that they can be modified by environmental influences, no. As an example, if one of two male twins is circumcized, and the other is not, then their genitalia are going to look significantly different.
Could you perhaps provide a bit more context? As it is, the answer seems too obvious.
Do two identical females have identical looking vulvas? Meaning, they can’t be told apart if you were to take a picture of each. Would the two look exactly alike?
Identical twins, while genetically identical, are not necessarily completely identical physically. Development can affect their physical appearance. For example, identical twins have different fingerprints.
Generally, their genitalia should be just as similar, on average, as any other part of their anatomies. However, in some cases identical twins would be expected to differ in this, just as they would in any other aspect.
Why do you ask? Are you dating a twin, and wondering if they are pulling a fast one on you?
ha, I wish I was dating a twin. I’ve just always wondered this and have never really had the pleasure of finding out on my own yet.
Apply for a grant.
Isn’t genital size (and presumably other characteristics, like luminosity) determined largely by hormonal changes at adolescence? I wouldn’t expect twins to automatically undergo these changes at precisely the same rate because of environmental factors too numerous to track.
This PDF file shows that height is also slightly variable between twins, with a correlation for identical males at 0.91 ± 0.01 and identical females at 0.92 ± 0.01. High, but not perfect. It’s not implausible that genitalia show similar variation, though you might have to break out the calipers to verify it.
And if you are dating a twin, you can always surreptitiously use a magic marker to place a dot in some unobvious place, if you think the ol’ switcheroo is being pulled. Personally, I’d try to get them both at once.
Luminosity? Like, glow-in-the-dark balls? ¿Que?
Oh. Maybe it’s just me.
cough
I knew a set of twins in high school who’s parents did just that! Apparntly they wanted a easy foolproof way of telling them apart.
I asked my wife, whose tales of her family have often been shocking to my delicate Mormon-raised ears with their forthrightness about bodily and sexual matters (“Your MOM bought you guys a PLAYGIRL when you told her neither of you had ever seen a PENIS?!”, etc.), if she and her twin sister have identical vulva/labia/vaginal areas. She said “Um, I don’t know.” I said “But your family has no problem with nudity. You must have seen hers!” And she looked at me and said “Yeah, uh, sadly, you’re mistaken if you think that walking to our bedroom after a shower meant that we sat around spreading our legs and looking at each others genitals.”
So clearly I’ll need to have an videotaped affair with her sister to answer this question. It’s rough work, but somebody has to get reliable documentation on these things for science.
Best scientist answer, ever.
Yes, I feel certain this is an open area for investigation.
Not at all. In fact, given identical female twins, one of them will have a penis. But you should have asked about fraternal twins of different sexes; they have identical genitalia.
The fuck?
Well, we now have a place for all those “Band name!” groups to perform in…
wonder how they decided who got the <ahem>… short straw