Unit 4: 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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| Alleles | Different forms of a trait that a gene may have.
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| Homozygous | An organism with two alleles that are the same. (purebred)
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| Heterozygous | An organism with two different alleles for a trait. (hybrid)
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| Phenotype | The physical appearance of an organism.
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| Genotype | The genes of an organism. The actual genetic makeup of an organism.
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| Dominant | A trait that dominates or covers up the other form of the trait
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| Recessive | A trait that is covered up by a dominate trait.
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| Punnett Square | A chart that shows all the possible combinations of alleles.
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| Heredity | The transfer of genetic information from parent to offspring.
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| Trait | A characteristic of an organism, can be genetic or acquired.
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| Chromosome | A single, highly organized and structured piece of DNA.
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| DNA | A double helix structure containing an individual's genetic code.
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| Gene | Small part of a chromosome that determines a specific trait for an organism.
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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.
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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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