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22 Cards in this Set
- Front
- Back
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chromatin contains proteins calld....
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histones
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when gregor mendel crossed true bredding tall plants with true breeding short plants all the offspring were tall because...
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the allele for tall plants is dominant
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in th eP generation a tall plant is crossed with a short plant. the probability that an f2 plant will be tall is...
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75%
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variation in human skin color is a result of...
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polygenetic traits
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chromosomes form tetrads during...
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prophase of meiosis 1
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if an organism's diploid number is 12 then its haploid number is...
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6
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unlike mitosis, meiosis results in the formation of...
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haploid cells
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in the p generation, a tall plant was crossed w/ a short plant. short plants reappeared uin the f2 generation becaue...
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the allele for shortness and the allele for tallness segregated when the f1 plants produced gametes
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how mnay differnt allele combinations would be found in the gamete produced by a pea plant whose genotype was RrYY?
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2
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which of the following assort independently?
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chromosomes
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the number of chromosomes in a gamete is represented by the symbol...
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n
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if a pea plant has a recessive allele for green peas, it will produce
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green peas if it does not also have a dominant allele for yellow peas
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a cross of a red cow (RR) with a white bull (WW) produces akk roan offspring (RRWW). this type of inheritance is known as...
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codominance
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the principle of dominance states that...
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come allelese are dominant while others are recessive
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gregor mendel concluded that traits are...
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inherited through the passing of factors from parent to offspring
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if an organism has 16 chromosomes in each of its egg cells, the organisms ___number is 32
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diploid
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if an organism is heterozygous for a particular gene the 2 different alleles will be separated during ____ of meiosis, assuming that no crossinf over has occured
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anaphase 1
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blood type in humans is determined by a single gene that has ____
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multiple alleles
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an organism with a dominant allele for a particular trait will ___ show that trait
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always
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true breeding plants that produced axial flowers were crossed with ture breeding plants thta produced terminal flowers. the resulting offspring produced terminal flowers because the allele for terminal flowers is ____
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dominant
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the relative locations of each known gene can be shown on a ___map
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gene
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the plants that gregor mendel crossed to produce the f1 generation made up the ___generation
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p
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