DNA, Genes, Chromosones Flashcards
1
Q
What is a gene?
A
A section of DNA that codes for a characteristic
2
Q
What is a chromosome?
A
A structure found inside the nucleus of a cell
3
Q
What is a chromosone made up of?
A
Proteins and DNA organized into genes
4
Q
How many pairs of chromosones are in each cell for humans?
A
23 pairs (2 in each)
5
Q
What is the total amount of chromosones a human has?
A
46 (23 pairs of 2)
6
Q
Where is a nucleus found?
A
Found in the middle of a cell
7
Q
What does the nucleus contain?
A
DNA
8
Q
What does reproduction mean?
A
the ability to make members of a species called ‘offspring’
9
Q
Which 2 ways can reproduction be achieved
A
Sexually
Asexually
10
Q
Reproduction for animals
A
Sperm+egg
11
Q
Reproduction for plants
A
Pollen+ovule
12
Q
What is the structure of DNA?
A
A twisted ladder shape called the double helix
