Home » List of chromosomes » Chromosomes xx
Chromosomes xx Chromosomes xx
42.9
97.5
24.2
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.

nerve transmission

GABRA3: This gene is involved in nerve impulse transmission.

defence

CYBB: This gene is involved in antibacterial activity thanks to the production of free radicals.

only for girls

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

Help
tooltipClose
Need help?
tooltipClose

words

Mouse over underlined words for their meaning

tooltipClose
Click on triangles to discover the genes