YEAR 9 INHERITANCE MID-TOPIC QUIZ

Variation is

• A disease.

• The scientific name for fertilisation.

• Differences in characteristics.

• Similarities in characteristics.

Of the following, which is the best example of an environmental variation?

• A suntan

• Blood group

• Chin shape

• Eye colour

Environmental variation is caused: .

• When organisms breed.

• By environmental factors.

• By varieties

• By problems in the brains of some animals.

What sort of variation does this chart show?

• CONTINUOUS

• DISCONTINUOUS

• CATEGORIC

• DISCRETE

Of the following, which is the best example of an inherited variation?

• Broken Leg

• Scar

• Tatoo

• Eye colour

Inherited characteristics in humans are caused by: .

• Blood.

• Children learning things from their parents and at school.

• Genetic information

• The country in which children grow up.

A gene is:

• the first part of an organism’s scientific name.

• A short section of a chromosome that codes for the production of a protein

• A protein

• A molecule found in the nucleus of cells

Describe this genotype; Gg

• Homozygous dominant

• Homozygous recessive

• Heterozygous

• Co-dominant

Describe this genotype; HH

• Homozygous dominant

• Homozygous recessive

• Heterozygous

• Co-dominant

Describe this genotype; mm

• Homozygous dominant

• Homozygous recessive

• Heterozygous

• Co-dominant