Q1. A female guinea pig homozygous dominant for black fur colour is mated with a male homozygous for white fur. In a litter of eight offspring, there would most likely be?

Q2. Clostridium and Streptococcus are both catalase-negative. Streptococcus grows by fermentation. Why is Clostridium killed by oxygen, whereas Streptococcus is not?

Q3. One types of mutationinvolves the replacement of a pyrimidine with a purine. What general term is associated with this mutationalphenomena?