Exam 9: Patterns of Inheritance

For this problem, you may want to create a Punnett Square on a separate piece of paper. Assume brown eyes are dominant to blue eyes and dimples are dominant to no dimples. John has brown eyes and his mother has blue eyes. John does not have dimples. Zena has blue eyes and also has no dimples. What are the chances if this couple have children, they will produce a child with blue eyes and no dimples?

Purple flower ( A )is dominant over white flower ( a ), and tall stem ( B )is dominant over short stem ( b ). The Punnett square represents a cross between two dihybrids ( AaBb   ´   AaBb ). In the figure above, how many plants would have the genotype AaBb ?

For this problem, you may want to create a Punnett Square on a separate piece of paper. Manuel has both cystic fibrosis, a recessive disorder, and sickle cell anemia which is also a recessive disorder. Manuel's partner, Lucretia, is normal for both conditions. What is the probability that Manuel and Lucretia will have a normal child without either of the conditions Manuel has?

Purple flower ( A )is dominant over white flower ( a ), and tall stem ( B )is dominant over short stem ( b ). The Punnett square represents a cross between two dihybrids ( AaBb   ´   AaBb ). In the figure above, what would be the genotype of plant #9?

Genetic recombination as a result of crossing over occurs more readily between genes that are ____.

When genes are located very close together on the same chromosome, ____.

The ease of detecting and treating ____ is a good example of the advantages of genetic screening.

The most common type of mutation that cause cystic fibrosis is a(n)____.

In a pedigree chart, a male who demonstrates the trait being studied is represented by a ____.

An individual's ____ determines its observable ____.

Various forms of the same gene are called ____.

In an autosomal dominant disorder such as Huntington's disease, two carrier parents have the probability of passing the gene onto ____ percent of their children.

The process by which chromosomes fail to separate during meiosis is called ____.

In the lungs of cystic fibrosis patients, ____.