1. A purebred dog with brown fur and brown eyes is mated with a pure breed dog with white fur and blue eyes (note: this is hypothetical). All the F1 progeny are brown fur with brown eyes. Define your symbols __________________________________________________________________ a) What is the genotype of the F1 generation? _______________________ b) What are the resulting phenotypes of the F1 x F1 cross? __________________ Phenotypes:_____________________________________________________________________________________________

Bob and Will are monozygotic (identical) twins. They are 18 years old and in their first year the liberal arts college that their parents attended. Their parents are Robert Senior (age 55) and Jane (age 48). They had one miscarriage during the first pregnancy. Bob and Will have a younger sister (Su, age 12). 11 months after the birth of Su, Jane had a second miscarriage. Jane was adopted by her parents and has an unknown history of her birth family. Robert Senior parents are Samuel (age 88) and Mary (deceased at age 60 from a stroke). Both Samuel and Mary smoked cigarettes since age 18 and Samuel has COPD and uses supplemental oxygen. Robert Senior has two brothers, Nick (age 56) and Tony (52). Tony is incarcerated for multiple car thefts. He has a history of violent behavior. Both Bob and Will have been experimenting with drugs at college. In the last month or so, Bob’s work has fallen off. He has not been completing assignments at his usual high level of quality. His thoughts seem to…

Show the cross between a pure breeding dominant tall pea plant and a short plant.     Take a picture of your "answer." Do this by clicking on the picture frame and uploading your photo. Ensure that your picture includes your name.

The father's blood type is A, and the mother's blood type is B. They have their first child with O. What would be their genotypes?  iA i & ii iA iB & i i iA iA & iB iB iA i & iB i  i i & i i

Look up the inheritance patterns for each mutant. Label them as autosomal or sex linked  Vestigial wings: ______________ White eyes: _________________ Ebony body: ________________ Sepia eyes: _________________