Vocab for Chapter 3
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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| heredity | Is the passing of physical characteristics form parents to offspring.
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| trait | Is a different from of a characteristic.
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| genetics | Is the scientific study of heredity.
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| fertilization | Is when a new organism begins to form when egg and sperm join.
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| purebred | Is a organism that is the offspring of many generations that have th same trait.
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| gene | Is the word scientists use to name the factors that control a trait.
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| allele | Are different forms of a gene.
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| dominant allele | Is one whose trait always shows up in the organism when the allele is present.
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| recessive allele | Is hidden whenever the dominant allele is present.
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| hybrid | Is a organism that has two different alleles for a trait.
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| probabilty | Is the use of principles to predict the results of a particular event.
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| Punnett square | Is a chart that shows all the possible combinations of alleles that can result from a genetic cross.
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| phenotype | Is the physical or visible traits.
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| genotype | Is the genetic makeup or allele combinations.
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| homozygous | Is when an organism has two identical alleles for a trait.
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| heterozygous | Is when an organism has two different alleles for a trait.
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| codominance | Is the inheritance pattern, alleles are neither dominant or recessive. Both alleles are expressed in the offspring.
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| Meiosis | Is the process by which the number of chromosomes is reduced by half to form sex cells―sperm and egg.
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| messenger RNA | It copies the coded message from DNA in the nucleus, and carries the message to the ribosome in the cytoplasm.
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| transfer RNA | It carries amino acids to the ribosome and adds them to the growing protein.
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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.
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.
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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