<em>The correct option is A) Autosomal dominant</em>
Explanation:
To interpret the inheritance, let us look at the pattern shown in the pedigree. The normal allele is recessive whereas the abnormal allele is dominant. This type of pedigree can be analyzed affected fathers and mothers transmit the phenotype to both sons and daughters. Hungtinton's diseases is an example of autosomal dominant disorder.
The person or organization providing the information has the credentials and knowledge to speak on this topic because the web site is--the domain name ".org" tells that this site is run by a nonprofit organization.The writer maybe a staff member at the Discovery Institute.
He experimented with peas (29,000 plants!) for seven years and used ... He found that everyone got two genes for each trait — one from the mom and one from the dad. ... Dominant traits show up even if you also have a different gene for the same trait; the gene ... Mendel took a tall pea plant and crossed it with a short one.