Chromosomes Flashcards
How do characteristics occur in organisms?
from the interaction between the genes that are inherited and the environment
What percent of a chromosome is protein and DNA
Protein 60%
DNA 40%
What is the protein in chromosomes responsible for?
It is responsible for holding the DNA in a tightly packed configuration
How can DNA fit in a nucleus?
It is heavily coiled and folded
How are genes arranged along DNA?
They are arranged along the DNA of a chromosome in a line
What percentage of DNA in a human cell does not consist of genes?
97%
97% of what in a human cell does not contain genes?
DNA
What is the DNA in human cells that doesn’t contain genes referred to as?
Non-coding DNA
Define non-coding DNA
NOn-coding DNA is dna that doesn’t cause the production of a protein
What type of DNA is used to prepare DNA profiles?
non-coding DNA
