DNA and Inheritance

The two main causes of variation within a species are:

• Genetics

• Diet

• Environment

• Personality

Some characteristics are caused by both genetics and environmental influences, select all those that only genetic.

• Weight

• Scar

• Sporting ability

• Eye colour

• Blood group

Which type of graph would be used to show continuous data?

• Bar Chart

• Pie Chart

• Histogram

• Line Graph

Name the main 2 scientists who discovered the structure of DNA

• Watson and Crick

• Franklin and Crick

• Watson and Mendel

• Creese and Bareham

Select all the statements about the structure of DNA that are TRUE.

• The structure is described as a double helix

• A pairs with C

• C pairs with G

• The bases are held together with hydrogen bonds

• The bases are: Argon, Thymine, Cyan, Ghana

Based on the complementary base pairing rules what would be the correct base pairing of the following strand: AGC TGA

• TGT ACA

• AAT CGT

• TCG ACT

• ACT CAT

Where is DNA found?

• Nucleus

• Cell Wall

• Cell Membrane

• Anywhere in the cell.

How many chromosomes are in a diploid cell?

• 50

• 46

• 20

• 16

__________ is a short length of DNA found on a chromosome that codes for a particular characteristic.

An alternative form of a gene is called an _____________.