chapter 12 introduction to genetics

The passing of traits from parent to offspring 

• Heredity 
• Genetics 
• Hybrid 
• Probability 

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Who was the father of genetics 

• Sagan 
• Issac Newton 
• Gregor Mendel 
• C.jenkins 

The study of heredity and the variation of inherited characteristics 

• gene
• genetics 
• meiosis 
• hybrid 

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Which of the following is a phenotype?

• BB
• Bb
• bb
• Blue eyes

What is a phenotype

• The genetic make up (code)
• The physical trait

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having two of the same genes for the trait (sometimes called purebred).

• homozygous
• hetrozygous
• protein
• chromosome

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

• protein
• homozygous
• heterozygous
• genotype

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An allele whose trait only shows up when no dominant allele is present.

• hidden allele
• dominant allele
• recessive allele
• present allele

What does heterozygous mean?

• An organism that has the same genes for a trait (TT or tt)
• An organism that has different genes for a trait (Tt)
• When neither gene is fully dominant; offspring is a mixture of both
• the different forms of a trait (hair color--> brown, blonde, red

This type of inheritance pattern is a MIXTURE of both traits.

• incomplete dominance
• co-dominance
• complete dominance
• recessive pattern

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