A mother’s genetics determines how clever her children are, according to researchers, and the father makes no difference. Women are more likely to transmit intelligence genes to their children because they are carried on the X chromosome and women have two of these, while men only have one. –Eve biting the apple? Laboratory studies using […]
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Color blindness affects millions of people worldwide. Most men are color blind, It affects 1 in 12 men and 1 in 200 women. CVD (Color Vision Deficiency) can be acquired, but most are inherited genetically. The genes that influence the colors inside the eyes, called ‘photopigments,’ are carried on the X chromosome. If these genes are […]
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These rare individuals, mostly women, have a genetic mutation granting them an extra, fourth cone cell. As a rough approximation based on the number of these extra cones, tetrachromats might see 100 million colors. Since women have two X chromosomes, they could potentially carry two different versions of the gene, each encoding for a cone […]
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