Mill Creek M.S. Science 7--Wohlford
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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Trait | A characteristic that an organism can pass on to its offspring through its genes.
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Gene | A segment of DNA on a chromosome that codes for a specific trait.
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Chromosome | A doubled rod of condensed chromatin; contains DNA that carries genetic information.
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Pedigree | A chart or "family tree" that tracks which members of a family have a particular trait.
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Genetics | The scientific study of heredity.
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Heterozygous | Having two different alleles for a trait.
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Phenotype | An organism's physical appearance, or visible traits.
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Karyotype | A picture of all the chromosomes in a cell arranged in pairs.
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DNA | Deoxyribonucleic acid; the genetic material that carries information about an organism and is passed from parent to offspring.
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Punnett Square | A chart that shows all the possible combinations of alleles that can result from a genetic cross.
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Dominant | An allele whose trait always shows up in the organism when the allele is present.
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Recessive | An allele that is masked when a dominant allele is present.
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Sex-linked Gene | A gene that is carried on the X or Y chromosome.
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Clone | An organism that is genetically identical to the organism from which it was produced.
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Probability | The likelihood that a particular event will occur.
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Meiosis | The process that occurs in sex cells (sperm and egg) by which the number of chromosomes is reduced by half.
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Allele | The different forms of a gene.
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Codominance | A condition in which neither of two alleles of a gene is dominant or recessive.
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Purebred | An organism that always produces offspring with the same form of a trait as the parent.
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Hybrid | An organism that has two different alleles for a trait; an organism that is hterozygous for a particular trait.
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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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Created by:
cbolthouse
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