Introduction to Mendel

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

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

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Who is the father of genetics? 

• Charles Darwin 
• Gregor Mendel
• Dimitri Mendeleev 
• Hans Krebs 

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What did Gregor Mendel use to discover the principles that rule heredity?

• Pea Plant
• Pigeons
• Pear trees
• Photosynthesis

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Different forms of a gene are called...

• genotypes

• alleles

• hybrids

• traits

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an observable characteristic

• trait

• personality

• cell

• DNA

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When an organism has two of the same alleles, it is called

• homozygous

• heterozygous

• recessive

• dominant

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When an organism has two different alleles, it is called

• homozygous

• heterozygous

• recessive

• dominant

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What was the theory of genetics before Mendel did his experiments.

• All traits were random

• All traits skipped a generation

• All traits were decided by God

• All traits were a mixing of the the parents traits

What specifically about Pea Plants did Mendel Study?

• Color of Pea Flower

• Colors of individual Peas

• Texture of Peas

• All of these

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Why were pea plants perfect a study on Heredity?

• Pea plants are complex

• They were easy to study

• One gene controlled one trait. (i.e. it was simple)

• One gene was controlled by multiple traits

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