Wait a minute. This dominant/recessive thing...if my wife's folks both have blue

Mar 20, 2019
7:33:36pm

LeftOfNormal All-American

eyes, my mom has blue and my dad and I have brown (pretending for sake of argument that eye color is a single gene trait, as any high school biology teacher does), it's really 50-50 whether my kids have brown or blue eyes?

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LeftOfNormal

Bio page: LeftOfNormal
Joined: May 31, 2010
Last login: May 15, 2024
Total posts: 32,912 (1,695 FO)

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Messages

Author

Time

Wait a minute. This dominant/recessive thing...if my wife's folks both have blue

LeftOfNormal

3/20/19 7:33pm

What color eyes your wife have? Blue it’s 50/50.

Adwight

3/20/19 7:36pm

I have blue, my wife has brown. We have 6 kids. 3 have brown eyes, and 3 have blue.

jdub

3/20/19 7:38pm

Good assumption, else you'd be calling into question my mother-in-law's honor...

LeftOfNormal

3/20/19 7:39pm

The only genetics knowledge TNT has is from Jurassic Park

TNT

3/20/19 7:38pm

Wait another minute. If my mother had brown eyes not blue, all else the same,

LeftOfNormal

3/20/19 7:42pm

Neither of my parents had blue eyes, but 2 of my sisters have blue eyes

PHXSUNS31

3/20/19 7:51pm

Right, but that just means your parents carried the recessive blue, and in two

LeftOfNormal

3/20/19 8:06pm

Makes sense

PHXSUNS31

3/20/19 8:29pm

But if your mom had brown she could still have held the recessive blue as could

cougarsnooty

3/21/19 1:05pm

Right, but what I meant was that because I'm brown eyed, even if my mother had

LeftOfNormal

3/21/19 4:24pm

No, not that simple. Eye color isn't single Gene.

BlueBlood

3/20/19 7:58pm

Yes, but we're pretending and oversimplifying. This IS cougarboard after all....

LeftOfNormal

3/20/19 8:13pm

Genotype: all kids have a recessive blue. Phenotype: the half with a dominant brown have brown eyes. A diagram:

Smack'sWife

3/20/19 8:03pm

Woah. Heavy

TNT

3/20/19 8:09pm

A punnant square. That takes me back to 7th grade.

scottfunkel

3/20/19 8:24pm

I taught my 7th graders this last week. That’s why I answered the way I did

Adwight

3/20/19 8:40pm

A lot depends on what color eyes the mailman had

wabluecoug

3/20/19 8:04pm

Great player but that guy fooled around way too much

TNT

3/20/19 8:09pm

My wife and I both have green eyes, only 1 of our 5 kids has green eyes.

chilango

3/20/19 8:06pm

What the......sounds like aliens

TNT

3/20/19 8:09pm

Partially penetrant trait. Muddles up simple Mendelian genetics.

unctoothman

3/20/19 8:14pm

RE: Partially penetrant trait. Muddles up simple Mendelian genetics.

TNT

3/20/19 8:18pm

My wife is a righty..I'm a righty..both my boys are lefties..both girls righties

Don_Juan_El_Guapo

3/20/19 8:22pm

I know it’s TIC but I don’t think scientists really even know.

Adwight

3/20/19 8:41pm

My wife had brown I have blue 0 kids have Blue

Romex

3/20/19 8:30pm

I lived in Latin America & Spain for many years. There are plenty of green &blue

chilango

3/20/19 8:39pm

This Punnett square sums up Smack, me, and our four kids:

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