Genetics – Chapter 11-1 Questions – Flashcards
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The Austrian monk whose experiments with pea plants were the beginning of our understanding of genetics was...
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Gregor Mendel
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The different alternatives or choices for a gene (like blue, green, or brown eyes) are called...
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Alleles
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Cross organisms from the F1 generation produces the _____ generation.
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F2
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Crossing organisms from the P1 generation produces the _____ generation.
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F1
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Mendel's "factors" are now called...
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Genes
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Self-pollination produces seeds with genetic information from _______ parent plant(s).
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One
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What pattern did Mendel see when crossing pure TALL with pure SHORT pea plants?
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ALL of the F1 offspring were tall, but 25% of the F2 generation were short and 25% tall
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Which of the following istrue of Mendelian inheritance?
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If a dominant allele is present, teh recessive allele won't be seen.
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Pollen is produced by the _______ part of the flower.
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Male
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TRUE OR FALSE: Dominant alleles are represented by a lower case letter.
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False
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TRUE OR FALSE: Mendel's Law of Fertilization explains why alleles end up in different gamets following meioisis.
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True
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What is a characteristic that can be observed such as hair color, seed shape, flower color, etc.?
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A Trait
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What is the joining of a sperm and egg to make a zygote called?
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Fertilization
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What is a gene choice that MASKS ANOTHER choice for a trait called?
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Dominance
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What is a gene choice that is MASKED BY ANOTHER choice for a trait?
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Recessive
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What is the branch of biology called that studies how chracteristics are transmitted from parent to offspring?
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Genetics
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What is the passing of characteristics from parent to offspring called?
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Heredity
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What is an alternative choice for a gene called (such as brown, green, or blue eyes)?
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Allele
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What is an organism that produces offspring identical to itself if self-pollinated?
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True breeding
