9A Genetics and Evolution

Where in animals is the genetic information stored?

• Nucleus

• Brain

• Cell Membrane

• Ribosomes

Which of the following is not a gamete?

• Sperm

• Pollen

• Nucleus

• Egg

Which of the following is not inherited variation?

• Natural eye colour

• Blood Type

• Hair length

• Inherited disease

A human zygote contains how many pairs of chromosomes?

• 46

• 18

• 23

• 24

A human gamete contains how many chromosomes?

• 18

• 23

• 24

• 46

Each chromosome is made from a single molecule of _____

• DNA

• Protein

• Blood

• Plastic

What name is given to the differences in characteristics in organisms?

• Evolution

• Variation

• Environmental change

• Natural Selection

What name is given to this type of graph to show frequency of environmental variation?

• Anomalous distribution

• Normal distribution

• Scatter graph

What name is given to the change in characteristics usually over a long period of time due to natural selection?

• Variation

• Distribution

• Deoxyribonucleic acid

• Evolution

What do we believe caused the dinosaurs to become extinct?

• Meteor strike, ice age

• Meteor strike, Dust in the atmosphere, Plants unable to photosynthesise, Starvation

• Meteor strike, set on fire and burned

• Meteor strike, flooding, lack of food, starvation