DNA And Genetics Flashcards
What is DNA?
DNA holds all the genetic information of an individual.
What way is a DNA molecule described?
As a double Helix
Name some characteristics of DNA.
What are the base pairing rules?
A always pairs with T.
C always pairs with G.
What are the “two sides” of the DNA molecule made up of?
What are the “two sides” of the DNA molecule made up of a repeating alternating sequence of phosphate and sugar molecules.
Where is DNA found?
DNA is found in the nucleus of every living cell, except the red blood cells and the sex cells- because they have no nucleus.
What is DNA organised in to?
Thin strands known as chromosomes. Each human cell has 46 individual strands that are organised into 23 pairs.
What are the female sex chromosomes written as?
XX
What are the male sex chromosomes written as?
XY
What is the percent chance of having a boy or a girl?
50 percent for each.
What does the term designer baby mean?
To pick and choose the characteristics of a baby.
What is the term used when referring to the non-coding regions of our DNA?
Genetic fingerprint.
