Inheritance Flashcards
What is DNA
DNA stands for deoxyribonucleic acid and it determines what inherited characteristics you have
What are chromosomes
They are the structure the DNA is wound into
What is a gene
It is a small section of DNA found on a chromosome which codes for a protein. Different genes control the development of different characteristics E.G hair colour
What is a genome
The term for the entire set of genetic material in an organism
How many pairs of chromosomes do humans have
23
Does each cell in your body have the same DNA
Yes
Which chromosomes do males have
XY
Which chromosomes do females have
XX
What is the structure of DNA
A double helix
DNA is made up of 4 bases. What are these bases
Adenine, Thymine, Guanine and Cytosine
How many sex chromosomes do humans have
23
Are genes inherited from our parents
Yes
What is variation
Variation is any difference between a characteristic of an animal
What is inherited characteristics
They are characteristics that have been passed down from our parents
What are characteristics
They are a feature of an organism