Mendelian Genetics & Punnett Squares

The study of heredity and the variation of inherited characteristics 

• gene
• genetics 
• meiosis 
• hybrid 

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The passing of genetic traits from parent to offspring is known as

• heredity

• trait

• gene

• allele

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An organism's appearance or other detectable characteristic

• genotype

• phenotype

• genetics

• heterozygous

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Mendel proposed that traits observed in pea plants resulted from a combination of "factors" inherited from each parent. His description of these "factors" can be considered the first scientific definition of the role of —

• ribosomes

• meiosis

• genes

• cell nuclei

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One of the two forms of a gene is called a(n)

• genotype
• allele
• hybrid
• trait

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Which of the following is a phenotype?

• BB
• Bb
• bb
• Blue eyes

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An organism's genetic makeup, allele combination

• phenotype

• genotype

• heterzygous

• allele

An allele whose trait always shows up in the organism when the allele is present.

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

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

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

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

• homozygous

• hetrozygous

• protein

• chromosome

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