4.1 Vocabulary
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 | passing of traits from parents to offspring
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| tarit | characteristic that an organism can pass on to its offspring through its genes
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| genetics | scientific study of heredity
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| fertilization | process in which an egg cell and a sperm cell join to form a new organism
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| purebred | the offspring of many generations that have the same traits
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| gene | set of information that controls a trait, a segment of DNA on a chromosome that codes for specific trait
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| allele | different forms of gene
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| dominant gene | a gene whose trait always shows up in the organism when allele is present
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| recessive trait | gene that is masked when a dominant allele is present
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| hybrid | organism that has two different allele for trait, and organism that is heterozygous for a particular trait
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| probability | number that describes how likely it is that an event will occur
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| punnett square | chart that shows all The possible combinations of alleles that can result from a genetic crosss
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| phenotype | organism physical appearance, or visible traits
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| genotype | organism genetic makeup, or allele combinations
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| homozygous dominant | having two dominant alleles for a trait
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| homozygous recessive | having two recessive alleles for a trait
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| heterozygous | having two different alleles for a trait
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| DNA | deoxyribonucleic acid
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| codominance | condition in which neither of two alleles of a gene is dominant or recessive
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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:
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