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 believe the answer your looking for is they hang upside down all the time this is one of their survival skills! Hope this helps!
The elements are pure forms of matter that cannot be broken down into simpler substances.
Yes, your ear canal is connected to your brain.