Genetics

Who is regarded as the 'father of genetics'?

• Marie Curie

• Louis Pasteur

• Gregor Mendel

• Charles Darwin

What is heredity?

• The study of ancient civilizations

• The study of stars

• The passing of genetic traits from one generation to another

• The study of rocks

What is Gregor Mendel's nationality?

• German

• Italian

• French

• Austrian

having two different genes for a trait (sometimes called hybrid).

• protein
• homozygous
• heterozygous
• genotype

Which of the following is a phenotype?

• BB
• Bb
• bb
• Blue eyes

Genotype refers to the ...

• physical expression of the genes
• the possible combination of alleles in a gene
• whether an allele is dominant or recessive
• how an organism will appear

Each characteristic Mendel investigated was controlled by one _____?

• Alleles
• DNA
• Chromosome
• Gene

An organism's complete set of genes is called its...

• Genome

• DNA

• Chromosome

• Chromatin

What is the role of alleles in genetics?

• They are the physical traits of an organism

• They are different forms of a gene

• They determine the environment of an organism

• They are the same as chromosomes

Which of the following best describes a homozygous genotype?

• Having two identical alleles for a trait

• Having two different alleles for a trait

• Having one dominant and one recessive allele

• Having no alleles for a trait