Calico Cats and Colorblindness. Male GenderGenes B = black / O = orange Phenotype (appearance)...

Genetics MysteriesCalico Cats and Colorblindness

X-Linked Genes

Gender GenesB = black / O = orange

Phenotype (appearance)

XBXB

XOXO

XBXO

XBY

XOY

XnYGenes N = normal color vision n = colorblind

Image Sources Creative Commons Images acquired from www.flicker.com

• Image names and descriptions: Remembering Jaz (black cat) Bored (orange cat) Neighbours cat (calico cat) Free eye test (colorblindness test) Becky’s eye (close up image of eye) Cromosomas humanos (stained chromosomes in green light) Karyotype

Public Domain images acquired from www.usa.gov/Topics/Graphics.shtml • Science and Technology, National Human Genome Institute

Photo Gallery DNA and Chromosome DNA in cell nucleus

http://www.flicker.com/

http://www.usa.gov/Topics/Graphics.shtml

DNA Protein Trait

Calico Cats and Colorblindness. Male GenderGenes B = black / O = orange Phenotype (appearance)...

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