7th Gr Genetics
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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| What did Gregor Mendel do? | He studied genetics by CROSS POLLINATING PEA PLANTS
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| What do we call factors that control traits? | GENES!
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| If an organism has 2 different alleles for a trait we call that individual a | hybrid (or we say heterozygous)
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| What does TT mean? | Two capital letters means 2 DOMINANT alleles
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| What does Tt mean? | One dominant allele and one recessive allele
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| What does a Punnett Square show? | The possible outcomes of a genetic cross
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| What is a phenotype? | An organisms physical appearance. (In other words....it is what we can see)
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| What does CODOMINANCE mean? | Neither allele is dominant. They both show up.
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| What do we call different forms of a gene? | ALLELES
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| What is a genotype? | Its actual genetic make-up.
(It's 2 letters)
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| If an organism has 2 identical alleles for a trait we call it | Homozygous or purebred
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| What is a pedigree chart used for? | Tracking a particular trait through multiple generations of a family
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| Which human genetic disorder results in abnormally shaped blood cells? | Sickle-cell disease
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| In a pedigree, what does a circle represent? | a female
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| In a pedigree, what does a square represent? | a male
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| What does a blackened circle represent? | A female who has the trait
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| What does a blackened square represent? | A male who has the trait
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| How is a carrier female shown? | The circle is only half blackened.
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| Remember to practice your Punnett squares!! The test has a dominant/recessive, an incomplete dominance, and a codominance Punnett square! |
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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.
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Created by:
cwalczak
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