3846011
Descripción
Test por Lisa Polillo, actualizado hace más de 1 año
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Creado por Lisa Polillo
hace más de 8 años
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Pregunta 1
Pregunta
What is the process by which the number of chromosomes is reduced by half to form sex cells?
Respuesta
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heredity
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meiosis
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mitosis
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probability
Pregunta 2
Pregunta
For codominant traits, heterozygous organisms have a phenotype that shows
Respuesta
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both alleles.
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only the recessive alleles.
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neither the dominant nor the recessive allele.
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only the dominant allele.
Pregunta 3
Pregunta
During meiosis, sex cells form when chromosome pairs are
Respuesta
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doubled.
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copied.
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separated.
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combined.
Pregunta 4
Pregunta
An organism's phenotype is its
Respuesta
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physical appearance.
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genetic makeup.
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allele combination.
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probability of occuring.
Pregunta 5
Pregunta
According to the chromosome theory of inheritance, [blank_start]genes[blank_end] are carried from parents to offspring on chromosomes.
Respuesta
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genes
Pregunta 6
Pregunta
Each time a coin is tossed, there is a 75% chance that the coin will land heads up.
Respuesta
- True
- False
Pregunta 7
Pregunta
Chromosomes are made up of [blank_start]genes[blank_end] joined together like beads on a string.
Respuesta
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genes
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proteins
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purebreds
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hybrids
Pregunta 8
Pregunta
[blank_start]Probability[blank_end] is a number that describes how likely it is that an event will happen.
Respuesta
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Probability
Pregunta 9
Pregunta
Walter Sutton discovered that the sex cells of grasshoppers have [blank_start]half[blank_end] the number of chromosomes found in the body cells.
Respuesta
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half
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twice
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one-fourth
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the same
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