chapter 9
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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| genetics | the science of heredity, dealing with resemblances and differences of related organisms resulting from the interaction of their genes and the environment.
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| heredity | the transmission of genetic characters from parents to offspring
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| trait | a distinguishing characteristic or quality, especially of one's personal nature
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| pollination | transfer of pollen from the anther to the sigma
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| self-pollination | the transfer of pollen from the anther to the stigma of the same flower, another flower on the same plant, or the flower of a plant of the same clone.
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| cross-pollination | the transfer of pollen from the flower of one plant to the flower of a plant having a different genetic constitution.
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| true-breeding | parents will also pass down a specific phenotypic trait to their offspring
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| P generation | the first set of parents crossed in which their genotype is the basis for predicting the genotype of their offspring
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| F1 generation | the F1 generation is the generation resulting immediately from a cross of the first set of parents (parental generation).
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| F2 generation | the second filial generation, which is comprised of offspring(s) resulting from a cross of the members of F1 generation.
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| dominant | expressed or seen when a heterozygous genotype is present.
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| recessive | one in which the effect is not tangible, or is masked by the effects of the dominant gene.
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| law of segregation | originated by Gregor Mendel, stating that during the production of gametes the two copies of each hereditary factor segregate so that offspring acquire one factor from each parent expand.
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| law of independent assortment | the principle, originated by Gregor Mendel, stating that when two or more characteristics are inherited, individual hereditary factors assort independently during gamete production, giving different traits an equal opportunity of occurring together.
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| molecular genetics | of, relating to, or consisting of molecules.
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| allele | one of two or more alternative forms of a gene that arise by mutation and are found at the same place on a chromosome.
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
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You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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