Q1. In guinea pigs, black (B) is dominant to brown (b), and dolid colour (S) is dominant to spotted (s). A heterozygous black, solid-coloured pig is mated with brown, spotted pig. The total offspring for several litters are black solid=16, black spotted=5, brown solid=5, and brown spotted=14. Are these genes […]

By convention, P stands for the parental generation.  The offspring are called the “first filial generation,” abbreviated F1.  If these F1 offspring are crossed, their offspring are called the “second filial generation,” designated F2.  Note the following diagram.             P  X  P       and      F1  X  F1                F1                             […]

Assignment: BIOLOGY CONCEPTS AND INVESTIGATIONS. MARIELLE HOEFNAGELS. THIRD EDITION 1. (CHAPTER1) Imagine that you are a scientist working with one of the first research teams sent to the planet Mars. One day, while digging in one of your research plots, you discover something new in the soil. You think it […]

It took the diagnosis of high blood pressure (hypertension) at the age of 45 to shock Max into taking better care of himself. A former college football player, he had let himself go, eating too much junk food, drinking too much alcohol, sitting on his chubby bottom for the majority […]