GENETICS

What is heredity?

• A kind of genetic disorder
• The way DNA divides
• A trait you inherit from your parents
• The passing down of traits from parents to children

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What is the relationship between DNA and chromosomes?

• Chromosomes are made of DNA
• DNA is made of chromosomes
• DNA and chromosomes are the same thing.
• All of the above are correct

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How many pairs of chromosomes exist in each of your cells?

• 10
• 12
• 23
• 46

Are recessive traits shown with capital or lowercase letters? 

• Capital
• Lowercase

The physical appearance or the way a gene looks is known as it's....

• genotype
• allele
• gene
• phenotype

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The mathematical chance that something will happen is known as...

• chance
• luck
• probability

The different forms of genes are known as

• environment
• probability
• traits
• alleles

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An allele or gene that always shows is

• recessive
• dominant
• hidden
• present

Two of the same genes for a trait (sometimes called purebred). BB or bb

• homozygous
• hetrozygous
• protein
• chromosome

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Two different genes for a trait (sometimes called hybrid). Bb

• protein
• homozygous
• heterozygous
• genotype

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