Huntington’s disease is a progressive neurodegenerative disease in which symptoms typically appear starting in middle age. It is inherited in an autosomal dominant fashion. A man has an aunt with Huntington’s; the aunt is his mother’s sister.  The man’s mother died in a car accident when she was fairly young, before symptoms of the disease typically manifest.  Before having children of his own, should the man be tested for Huntington’s? Why?  

The exchange of genetic information between homologous chromosomes during meiosis is called…

You encounter a young couple who is upset with their genetic counselor. They were told that they had a 25% chance of having a child with a particular trait, and yet all three of their kids have the condition. They are thinking of suing for malpractice. Using your knowledge of heredity, explain to the couple why their legal recourse would not be successful.

Prokaryotes have a single _________ chromosome (generally) and reproduce through __________. 

What kind of inheritance can explain the distribution of traits below?

At the end of mitosis, the daughter cells have [blank1] the mother cell, and are genetically [blank2] the mother cell.

A piece of legislation proposes classifying all citizens as male or female based on a chromosomal test. Demonstrate how biology challenges this view of only two sexes by discussing one example of an alternative sex phenotype that meiosis errors could produce.

Which of the following might a karyotype be used to diagnose?  

Did you uphold the MSU Honor Code (and avoided all cheating) on this quiz?

After Rosencrantz and Guildenstern leave Hamlet, what does he basically say in his soliloquy?