Adaptation and Inheritance Flashcards
1
Q
What is DNA?
A
The substance that carries genetic information.
2
Q
Where is DNA found?
A
In the nuclei of the cell
3
Q
Who produced the first X-ray pictures of DNA?
A
Rosalind Franklin
4
Q
Where are chromosomes found?
A
Chromosomes are found in the nucleus.
5
Q
Which two scientists discovered the shape of DNA?
A
Watson and crick.
6
Q
What shape is DNA?
A
Double Helix
7
Q
How many chromosomes do normal body cells have?
A
46
8
Q
What is the definition of a gene?
A
A gene is a section of DNA that gives a characteristic
9
Q
What does each cell with a nucleus contain?
A
They contain chromosomes
10
Q
How many genes do we have?
A
20,000 genes