Widow's Peak, a Pointed Hairline on the Forehead, Is a Genetic

question 46

Multiple Choice

Widow's peak, a pointed hairline on the forehead, is a genetic trait caused by a dominant allele. It can be traced back through a family's history using pedigree analysis.
The pedigree shown here is of three generations of a family. Notice that some individuals (shown in gray) have a widow's peak (W = dominant allele and w = recessive allele) .
-This pedigree supports the fact that widow's peak is due to a dominant allele, because if it were due to a recessive allele and both parents show the recessive phenotype, then ________.

• A)half of the sons would have a widow's peak
• B)all of the offspring would have a widow's peak
• C)none of the daughters would have a widow's peak
• D)all of the daughters and none of the sons would have a widow's peak

Learn the importance of managerial and operating information in business decisions.

Grasp the principles of the monetary unit assumption and economic entity assumption in accounting.

Understand the role of stockholders' equity and its components in a corporation.

Understand the concept and necessity of bad debt management within medical practices.