Bio quiz 11.3-11.4
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each of the black spaces below before clicking
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| Petunias that are pink from red and white parents are an example of | _Incomplete__ dominance where
neither allele is dominant.
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| Chickens with black and white feathers display | __Codominance__ where both alleles share dominance.
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| The many different colors of rabbit coats are an example of | __Multiple Alleles___ determining coat
color and are the result of the interaction between two or more alleles.
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| __Polygenic_ traits are | when more than one trait interacts and human eye color is an example.
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| Environmental conditions can also impact the genes and the butterfly is a good example. The wings are light colored when the temperature is | high as in _Summer___ and dark when the temperature is low as
in fall.
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| Genes that occur very close together on a chromosome are said to be | linked
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| The purpose of meiosis is to | half the genetic information
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| Duplicated chromosomes are called | __Homologous__.
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| During prophase I of meiosis the homologous chromosomes pair up to form a | Tetrad
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| Crossing over occurs during | ___Prophase I__ of meiosis.
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| The cells become haploid during | __Telophase I__ of meiosis.
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| At the end of meiosis II there are four identical/unique haploid cells. | Unique
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| A situation in which a gene has more than two alleles is known as | Multiple Alleles
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| A pink-flowered Mirabilis plant (RW) is crossed white a white-flowered Mirabilis (WW). What is the chance that a seed from this cross will produce a red-flowered plant? | 0
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| The illustration below represents what stage of meiosis? | metaphase 1
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| Unlike mitosis, meiosis in male mammals results in the formation of | four haploid gametes
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| Gene map | The relative locations of genes on a chromosome
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| Suppose that an organism has the diploid number 2N=8. How many chromosomes do this organism's gametes contain? | 4 chromosomes.
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| What happens to the chromosome number during meiosis? | It halves
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| During which phase of meiosis is the chromosome number reduced? | anaphase 1
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| Two pink-flowering plants are crossed. The offspring flower as follows: 25% red, 25% white, and 50% pink. What pattern of inheritance does flower color in these flowers follow? | Incomplete dominance
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| Which of the following is used to construct a gene map? | Recombination rate
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| Alleles for the same trait are separated from each other during the process of | Meiosis 1
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| How many map units apart are genes A and D? | 8
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| Which gene map best reflects the student's data? | D. C B A D
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Created by:
Masterlearner5