Chapter 12 Practice

Match it! Select the correct answer from the pull down...Good luck!

Which of the following traits is controlled by the X-linked inheritance?

Down Syndrome is called by which condition?

A chart of an individual's chromosome pair is called a karyotype. Analysis of a karyotype can reveal which of the following?

A couple has a child who, with respect to a specific trait, resembles neither parent. Which of the following is NOT a possible mechanism for this trait?

A newly discovered disease is caused by an extremely rare allele of a gene on the X chromosome. The disease is 100% lethal. A female carrier of the allele decides to have children. What percentage of female embryos will die from this disease?

Karyotypes are better to diagnose which type of genetic defects?

You and your colleagues are constructing a pedigree for a patient with cystic fibrosis. The individual's brother has also been diagnosed with cystic fibrosis. How would this brother be represented in the pedigree?

Many traits, such as stem length, are controlled by multiple genes. This is called _____.