Pregunta 1
Pregunta
[blank_start]Heredity[blank_end] is the passing of physical characteristics from parents to offspring.
Respuesta
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Heredity
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Genetics
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Traits
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Fertilization
Pregunta 2
Pregunta
Which of the following are examples of traits?
Respuesta
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eye color
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height
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freckles
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smell
Pregunta 3
Pregunta
[blank_start]Genetics[blank_end] is the scientific study of [blank_start]heredity[blank_end], which is the passing of traits from parents to offspring.
Respuesta
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Genetics
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Heredity
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heredity
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genetics
Pregunta 4
Pregunta
What is the process that forms a new organism through the joining of sperm and egg?
Respuesta
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fertilization
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purebred
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hybrid
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pollination
Pregunta 5
Pregunta
A [blank_start]purebred[blank_end] organism is the offspring of many generations that have the same trait.
Respuesta
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purebred
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hybrid
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puritan
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hydrox
Pregunta 6
Pregunta
What do you call the first generation of offspring?
Pregunta 7
Pregunta
In all of Mendel's crosses, only [blank_start]one[blank_end] form of the trait appeared in the F1 generation. However, in the F2 generation, the "lost" form of the trait always reappeared in about [blank_start]1/4[blank_end] of the plants.
Respuesta
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one
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two
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three
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1/4
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1/2
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2/3
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3/4
Pregunta 8
Pregunta
What word do scientists use for the factors that control a trait?
Respuesta
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gene
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heredity
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genetics
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allele
Pregunta 9
Pregunta
What are the different forms of a gene?
Respuesta
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alleles
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tall and short
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traits
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smart and dumb
Pregunta 10
Pregunta
Which allele is always hidden whenever the dominant allele is present?
Respuesta
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recessive
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regressive
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recess
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processive
Pregunta 11
Pregunta
What is an organism that has both the dominant and recessive allele present for a trait?
Respuesta
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hybrid
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purebred
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puritan
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hydrox
Pregunta 12
Pregunta
Which letters represent the alleles for an organism that is hybrid for the tall trait?
Pregunta 13
Pregunta
If an offspring inherits a dominant allele from the mother and a recessive allele from the father, which letters will represent that gene?
Pregunta 14
Pregunta
If an offspring inherits a tall allele from one parent and a short allele from the other, the offspring will be....
Respuesta
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tall
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short
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medium
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tallishly short
Pregunta 15
Pregunta
Mendel was widely recognized for his contributions to genetics while he was alive.