The autosomal disease does seem to be cystic fibrosis that causes the CFTR gene genetic defect. Throughout this situation, a woman, as well as a male, had already significantly impacted the child.
Two very different parents seem to be strange alleles, which appears to mean that it would be Aa that would be heterozygous recessive. Therefore it's there's one in every biological parent again for an afflicted child throughout conception.
Other choices are not related to the given scenario. Thus, for only one of every parent, 50% of Aa.
The absolute method is done, normally, carrying out by calculating the maximum amount of recital that you and your brother could do over an allotted amount of time. For example, in about 1 minute, the person with the alternative recital is more likely the one with more muscle endurance.
The correct answer to your question would be that damage to the frontal lobes of the brain is a likely result of chronic use of alcohol - d. Chronicly abusing alcohol is the thing that will cause unwanted effects such as serious frontal lobe damage.
