DNA Flashcards
(36 cards)
What is Deoxyribonucleic acid (DNA)
A double helix made of nucleotides
What is the Watson crick model
The double helix structure of the DNA molecule
What is the phosphate group
One of the parts that make up a nucleotide
What are nitrogen rich bases
Parts of the nucleotide: Guanine Cytosine Adenine Thymine
What does DNA stand for
Deoxyribonucleic acid
How do you spell the D work
Deoxyribonucleic
Who are the 4 important people and what did they do
Rosalind Franklin
Maurice Wilkins
Helped understand
James Watson
Francis Crick
Created the Watson crick model
What are chromosomes
Long, thin threadlike structures found in the nuclei of all the cells in the human body
What are chromosomes made up of
A string of DNA that wraps around beads of protein
How many chromosomes in your body
46
How many of the chromosomes in your body, sex chromosomes
2
What is a male
XY
What is a female
XX
What are the other 44 chromosomes called
Autosomes
How many autosome S are there
44
How many pairs do autosomes go into
22
What are the chromosomes in each autosome pair called
Homologous (the same)
Homologous chromosomes are……
The same length
Have genes for particular characteristics
Have a structure called a centromere
Where is the centromere
The point on a chromosome
What are genes
A unit of heresy which is transferred from a parent to offspring
What is a karyotype
It shows the pairs of chromosomes for a human cell
What is a nucleotide
A compound consisting of a nucleoside linked to a phosphate group
What does A stand for. Spell it
Adenine
What does T stand for. Spell it
Thymine
