BJU 6th Science - Chapter 13
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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| Traits | characteristics
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| Genes | small pieces of DNA in chromosomes
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| DNA | chemical code that tells cells what to do
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| Heredity | passing of traits from parents to offspring
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| Inherited | received traits from parents
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| Purebred plant | plants that show the same trait for many generations when pollinated naturally
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| P generation | parent generation
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| Hybrid | plants produced by crossing purebred parents that each have different forms of the same trait
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| Dominant trait | characteristic shown in hybrid generation
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| Recessive trait | hidden in hybrid generation and can appear in later generations
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| Phenotype | physical appearance of an organism
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| Genotype | arrangement of genes in an organism
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| Codominant | both genes expressed
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| Incomplete dominance | blending of genes (red flower+white flower=pink flower)
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| Pedigree | "family tree" that traces a trait
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| Sex-linked trait | traits passed from mother to son (like colorblindeness)
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| Sickle cell anemia | disease with abnormal, sickle shaped red blood cells
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| Cystic Fibrosis | genetic disease affecting lungs and digestive system
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| Down syndrome | genetic disorder caused by extra chromosome
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| Genetic engineering | involves changing or tranfering genes from one organism to another
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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:
MrsDunham
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