Home » List of chromosomes » Chromosomes xx
Chromosomes xx Chromosomes xx
42.9
98.8
45.3
19.5
42.9
98.8
20
98.7
97.5
89.3
49.7
45.3
24.2
19.5

girls by default?

Boys are boys thanks to the precocious action of ‘male’ proteins such as SRY. In the absence of male proteins, the foetus becomes a girl. So are girls, girls by default? The concept dates from the 1950s and the question remains open…

naked

AR: This gene codes for an androgen receptor which is involved in the development of the male sexual characters, and associated with male baldness.

color blindness

OPN1MW: This gene is involved in red/green colour blindness, and is generally found in boys because there is no backup copy of this gene on the Y chromosome.

autism

NLGN3/NLGN4X: These genes are associated with autism.

only for girls

NR0B1: This gene is essential in the development of female sexual characteristics.

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