Ryan Ch. 3 Reproduction and Heredity
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| asexual reproduction | reproduction in which only one parent produces offspring and offspring is identical to parent
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| fertilization | process in which a male gamete joins a female gamete to produce a new cell that develops into an organism
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| mitosis | stage in the cell cycle during which the nucleus divides and genetic info is passed on
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| sexual reproduction | reproduction from the union of two parents that each pass on traits to the offspring
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| stages of the cell cycle | interphase, mitosis, and cytokinesis
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| interphase | the longest stage of the cell cycle/ a copy of the chromosomes is made here
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| cytokinesis | the membrane surrounds the two new daughter cells
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| allele | different forms of a gene for a trait
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| codominant | the result when two alleles are both being expressed
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| DNA | genetic material of all living things
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| hybrid | organism that has two different genes for the same trait (Tt)
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| incomplete dominance | result when the dominant allele is only partly expressed
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| meiosis | forms gamete cells with half the number of chromosomes of the parent cell
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| purebred | organism that has two of the same genes for the trait (TT)
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| dominant allele | is expressed even when paired with a recessive allele (V v) V=dominant
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| recessive allele | is expressed only when paired with another recessive allele (v v) v=recessive
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| Punnett Square | a chart used to predict the offspring from two parents
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| chromosomes | found in the nucleus and stores DNA
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| Gregor Mendel | father of genetics..found that an organism's genes determine the inherited characteristics
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| mutation | any change in a genome or a chromosome
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| replication | process of making identical copies of DNA
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| ribosomes | cell structures where proteins are made
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| bases on DNA | adenine and thymine, guanine and cytosine
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| double helix | shape of DNA and looks like a twisted ladder
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| RNA | has one strand instead of two and contains the base uracil instead of thymine
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| bases on RNA | adenine and uracil, guanine and cytosine
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| chromosomal mutation | affects a large number of genetic information
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| gene mutation | affects only one or just a few cells
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Created by:
jryan
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