Mendelian Genetics

Who is known as the "father of genetics"?

• Charles Darwin

• Karl Ernst von Baer

• Gregor Mendel

• Francis Franklin

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A HETEROZYGOUS individual would have the genotype:

• Hh

• hh

• HH

• Hi

In humans, blue eyes are a recessive trait. What genotype would a blue eyed child have?

• BB

• Bb

• bb

• None of the above, brown eyes are dominant.

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In pea plants, tall (T) plant alleles are dominant to short (t) plant alleles. If two tall plants (each with the genotype Tt) are crossed, what is the probability that the cross would result in a short pea plant?

• 25%

• 50%

• 75%

• 100%

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Genes determine the characteristics, or __?__, that an individual can have.

• chromosomes

• cells

• genetics

• traits

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Sections of DNA on a chromosome are called:

• nuclei.

• RNA.

• genes.

• traits.

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What do we call the result of the genotype (for example, the color of the peas)?

• Visible traits
• Physiotrait
• Genotype 2
• Phenotype

If green is dominant over purple, then what is the genotype for this individual?

• Purple
• Green
• GG
• gg

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If a pea plant were homozygous recessive for height, how would its alleles be represented?

• TT
• Tt
• tt
• tT

The letters on the TOP AND SIDE of a punnett square represent ______________.

• The combination of alleles in offspring.
• The possible alleles given by the parents following meiosis.
• The genotype and phenotype of offspring.
• The results of genetic mutations in offspring.

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