Answer:
x y
x8 x8x x8y
x8 x8x x8y
The results of the punnet square show that:
They will not have a son who will be colour blind.
They will not have a daughter who is colour blind.
All the daughters born will be carriers of red- green colour blindness.
The genotype of the two parents will be:
Genotype of mother: x8,x8
Genotype of father: x, Y
Answer:
6
Explanation:
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The answer is; C
Ozone is a layer in the stratosphere that absorbs UV light from the sun and protects life on earth. UV can cause damage to the genetic material of cells. The other is greenhouse gases that trap infrared heat within the lower atmosphere and cause global warming of the planet.