Intro to gentics

Who is known as the 'Father of Genetics'?

• Isaac Newton

• Charles Darwin

• Gregor Mendel

• Albert Einstein

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What organism did Gregor Mendel perform his famous experiments on?

• Mice

• Pea plants

• Yeast

• Fruit flies

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What does a dominant trait mean?

• A trait that has no visible effect on the organism

• A trait that is rare in the population

• A trait that, when inherited, will cover over or be more powerful than another trait

• A trait that, when inherited, will be hidden by another trait

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If an organism is heterozygous for a trait, what does this mean?

• It has two identical alleles for a trait

• It has two different alleles for a trait

• It does not have any alleles for a trait

• It has mutated alleles for a trait

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What is the phenotype?

• The genetic makeup of an organism

• A type of gene that is dominant

• The physical appearance of an organism as a result of its genotype

• A type of gene that is recessive

What are alleles?

• Types of genetic diseases

• Versions of a gene

• Cells that contain genetic material

• Proteins that determine traits

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What year did Gregor Mendel start his experiments with pea plants?

• 1923

• 1856

• 1865

• 1901

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What is genetics?

• The study of diseases

• The study of cells

• The study of heredity and the variation of inherited characteristics

• The study of proteins

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What happens if an organism has two recessive alleles for a trait?

• The organism will have a mutation

• The trait will not be expressed

• The recessive trait will be expressed

• The dominant trait will be expressed

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How did Gregor Mendel use mathematics in his study of genetics?

• To measure the height of pea plants accurately

• To explain heredity using the mathematics of probability

• To determine the chemical composition of genes

• To calculate the age of pea plants