Cystic fibrosis is an autosomal recessive condition. A couple who are both carriers (heterozygous) for the gene for cystic fibrosis have two children who have cystic fibrosis. N= noncystic fibrosis allele, n= cystic fibrosis allele a. For this trait, what is the genotype for the two children with cystic fibrosis? […]

1. Briefly describe why the body’s defense system is divided into two types: innate defenses and adaptive defenses, i.e. what distinguishes the two types. 2. Briefly describe the antagonistic action of muscles in the arm that result in the up and down movement of the forearm. 3. Briefly describe the […]

The life cycle is a key component in understanding the individual and what impacts that individual as a result of being in the cycle of his or her life. Write a 700- to 950-word paper exploring the impact of the life cycle. Include the following information: Describe three of the […]

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 […]