39). A black dog is bred with a brown dog, and all the puppies have patches of black and brown. The color coat alleles for black and brown are an example of _____.

20). A male and female are playing a card game of X and Y chromosome. What type of X and Y chromosomes cards does the male bring to the table?

5). Tracing a paternal (male) line of ancestry is best accomplished by examining genes on the _____ chromosome.

3). If sickle-cell anemia is present in some of your family members, what is some information you could obtain from reading about the research that has been done on the condition?

Imagine that you see a star which is 55 degrees above your horizon. Then this star has

14). Albinism is a genetic condition where a person lacks (melanin) pigmentation in his or her skin, hair, and eyes. If two nonalbino people have a child who exhibits albinism, this means albinism is most likely a _____ trait.

19).                                  are alternative versions of the same gene that have different nucleotide sequences.  

The geocentric model of our solar system was promoted by

17). What does CFTR gene stand for?

20).                           have two copies of every chromosome.