color blindness red/green color deficiency is most common blue/green color deficiency total cvd...

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COLOR Blindness • http://colorvisiontesting.com/ishihara.htm • Red/Green color deficiency is most common • Blue/Green color deficiency • Total CVD (color vision deficiency)-shades of gray • Unilateral dichromacy- 1 normal eye - 1 CV D eye • 8-12 % Males • Less than 1% females

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Page 1: COLOR Blindness Red/Green color deficiency is most common Blue/Green color deficiency Total CVD (color vision

COLOR Blindness

• http://colorvisiontesting.com/ishihara.htm• Red/Green color deficiency is most common• Blue/Green color deficiency• Total CVD (color vision deficiency)-shades of gray• Unilateral dichromacy- 1 normal eye - 1 CVD eye• 8-12 % Males• Less than 1% females

http://colorvisiontesting.com/ishihara.htm

http://colorvisiontesting.com/ishihara.htm

http://colorvisiontesting.com/ishihara.htm

http://colorvisiontesting.com/ishihara.htm

http://colorvisiontesting.com/ishihara.htm

http://colorvisiontesting.com/ishihara.htm

http://colorvisiontesting.com/ishihara.htm

Page 2: COLOR Blindness Red/Green color deficiency is most common Blue/Green color deficiency Total CVD (color vision

Sex-Linked Traits

• Linked to Sex Chromosomes

Page 3: COLOR Blindness Red/Green color deficiency is most common Blue/Green color deficiency Total CVD (color vision

Horace and Thelma

A Colorblind Pedigree

Page 4: COLOR Blindness Red/Green color deficiency is most common Blue/Green color deficiency Total CVD (color vision

Page 5: COLOR Blindness Red/Green color deficiency is most common Blue/Green color deficiency Total CVD (color vision

Page 6: COLOR Blindness Red/Green color deficiency is most common Blue/Green color deficiency Total CVD (color vision

They had 4 kidsBOY BOY BOYGIRL

Page 7: COLOR Blindness Red/Green color deficiency is most common Blue/Green color deficiency Total CVD (color vision

Their spouses were:

Page 8: COLOR Blindness Red/Green color deficiency is most common Blue/Green color deficiency Total CVD (color vision

Their GENOTYPES are

Page 9: COLOR Blindness Red/Green color deficiency is most common Blue/Green color deficiency Total CVD (color vision

Page 10: COLOR Blindness Red/Green color deficiency is most common Blue/Green color deficiency Total CVD (color vision

Page 11: COLOR Blindness Red/Green color deficiency is most common Blue/Green color deficiency Total CVD (color vision

Their colors are:

Page 12: COLOR Blindness Red/Green color deficiency is most common Blue/Green color deficiency Total CVD (color vision

Their spouses colors

and genotypes

Page 13: COLOR Blindness Red/Green color deficiency is most common Blue/Green color deficiency Total CVD (color vision

Page 14: COLOR Blindness Red/Green color deficiency is most common Blue/Green color deficiency Total CVD (color vision

Page 15: COLOR Blindness Red/Green color deficiency is most common Blue/Green color deficiency Total CVD (color vision

If these 2 are the first generation

Then these are the second

Page 16: COLOR Blindness Red/Green color deficiency is most common Blue/Green color deficiency Total CVD (color vision

Page 17: COLOR Blindness Red/Green color deficiency is most common Blue/Green color deficiency Total CVD (color vision

Page 18: COLOR Blindness Red/Green color deficiency is most common Blue/Green color deficiency Total CVD (color vision

Page 19: COLOR Blindness Red/Green color deficiency is most common Blue/Green color deficiency Total CVD (color vision

WHY?John and Sophie’s sons are colorblind.

Page 20: COLOR Blindness Red/Green color deficiency is most common Blue/Green color deficiency Total CVD (color vision

Will all of Sophie’s boy children be colorblind? WHY?

Page 21: COLOR Blindness Red/Green color deficiency is most common Blue/Green color deficiency Total CVD (color vision

We see that Stacia is a carrier. How did she get her genotype?

Why is there a ? mark By Liz?

Page 22: COLOR Blindness Red/Green color deficiency is most common Blue/Green color deficiency Total CVD (color vision

Page 23: COLOR Blindness Red/Green color deficiency is most common Blue/Green color deficiency Total CVD (color vision

We see that Chris is colorblind.

WHY? Predict Amy’s genotype.

Page 24: COLOR Blindness Red/Green color deficiency is most common Blue/Green color deficiency Total CVD (color vision

Were you correct?

Can you explain it?

Page 25: COLOR Blindness Red/Green color deficiency is most common Blue/Green color deficiency Total CVD (color vision

Page 26: COLOR Blindness Red/Green color deficiency is most common Blue/Green color deficiency Total CVD (color vision

Why isn’t Brian colorblind – his Dad is colorblind!

Page 27: COLOR Blindness Red/Green color deficiency is most common Blue/Green color deficiency Total CVD (color vision

Faye And Felicia and Audrey have the same genotype as Amy and Liz for much the same reason – which is. . . ?

Page 28: COLOR Blindness Red/Green color deficiency is most common Blue/Green color deficiency Total CVD (color vision

Phil has interesting parents. The technical term is CONSANGUINE. It is widely practiced and encouraged in some religions, such as Islam.

Page 29: COLOR Blindness Red/Green color deficiency is most common Blue/Green color deficiency Total CVD (color vision

Same Grandparents

THEN THESE 2 ARE FIRST COUSINS

Page 30: COLOR Blindness Red/Green color deficiency is most common Blue/Green color deficiency Total CVD (color vision

Same Great Grandparents

THEN THESE 2 ARE SECOND COUSINS

Page 31: COLOR Blindness Red/Green color deficiency is most common Blue/Green color deficiency Total CVD (color vision

It is interesting to determine Penelope’s genotype from her children’s genotypes.

Page 32: COLOR Blindness Red/Green color deficiency is most common Blue/Green color deficiency Total CVD (color vision

Why is Ryan colorblind?

Page 33: COLOR Blindness Red/Green color deficiency is most common Blue/Green color deficiency Total CVD (color vision

Monica is a carrier and her husband is colorblind.

Which of her children will be normal (no carriers.)

Page 34: COLOR Blindness Red/Green color deficiency is most common Blue/Green color deficiency Total CVD (color vision

Is it possible for Alice to be a carrier?

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