Checking understanding of inheritance, chromosomes and DNA

5 questions

Assessing knowledge of how traits are passed on, chromosome structure and DNA function.

Questions

1. Which of the following correctly describes the relationship between genes and chromosomes?
2. In humans, how many chromosomes are present in a typical somatic cell?
3. DNA replication occurs during the S phase of interphase.
4. Which term describes the physical location of a gene on a chromosome?
5. A child inherits a recessive genetic disorder when both parents are carriers. What is the probability that the child will be affected?