The red-green color blindness is a recessive X-linked trait. The females are not affected unless both the X chromosomes have the affected allele. Mostly, the females are the carriers, and the males are affected as they have only one X chromosome. In the given pedigree, the father of Irene have the normal allele, while her mother is a carrier. However, Irene is neither a carrier nor affected. This means that she carries normal alleles on both X chromosomes. Hence, her allele combination is
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I did this one a while back.
I answered that precipitation has a high effect due to greatly effecting the fish and plants that lived there, and that the pollution would change the water quality and poison many things.
Hope this helps.
Good luck!
-RxL
Answer:
Spring tides occur when the moon is full or new. ... The moon's gravity and the Sun's gravity pull Earth's crust and ocean water. This causes tides to be higher than normal. At neap tide, the moon and the Sun are at right angles to each other
Explanation: