Unit 4 - Topic 1 - Gene Expression

Question 1

Define a gene

Answer 1

A region of DNA that contains the info to produce a protein or a functional RNA molecule

Question 2

Define a genome

Answer 2

All the genetic material in the chromosomes of an organism, including its genes and DNA sequences

Question 3

What types of DNA does the genome comprise of?

Answer 3

1. Coding DNA - nucleotide sequences that code for proteins
2. Non-coding DNA - nucleotide sequences that do not code for proteins, but may have another purpose