science class
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 is a phenotype? | the way an organism looks
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| what is a genotype? | genetic makeup or a combination of alleles in an organism
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| what is homozygous? | two of the same alleles for a trait
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| what is heterozygous? | two different alleles for a trait
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| what are genes? | factors that control traits. the different forms of a gene are called alleles
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| what does dominant mean? | an allele that always shows up in an organism, even when the other allele is present
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| what does recessive mean? | an allele that is hidden whenever the dominant is present
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| what is a hybrid? | has two different alleles for a trait
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| what is a trait? | a characteristic such as a seed color
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| what does genetic mean? | the study of heredity
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| what does heredity mean? | the passing of traits from parents to offspring
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| what does purebred mean? | always produces offspring that have the same trait
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| what does alleles mean? | different forms of a gene
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| what does chromosomes mean? | short thick coils of DNA
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| what does DNA mean? | determines the inherited traits of an organism
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| what does acquired trait mean? EX. | environmental, learned, and manipulated
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| what does inherited trait mean? EX. | blood type,hair color, and face shape
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| how many chromosomes are in human cells? | 46
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| how many chromosomes are in human gametes? | 23
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| acquired trait- enviromental: | food, soil, and water
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| acquired trait- learned: | learning how to hunt and learning how to follow commands
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| acquired trait- Manipulated: | contolling shapes and sizes of how plants grow
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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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Created by:
_briannab44_
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