Sex-linked traits show up in males more often because they only have one X chromosome (males are XY) and females have 2 (XX)
No daughters will actually have hemophilia, but they could be a carrier
There is a 50% chance that if they have a son he will have hemophilia
Diatoms are made of silica (hydrated silicon dioxide)
It is harmful because motor vehicles spit out gas and like fumes. That can lead to pollution in the air.
It is beneficial because it helps people get to places they need to get to quicker
Answer:
They go through many developmental changes. ... Studies by independent researchers show a link between pesticides and frog deformities.
Explanation:
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