Term
| What is assymetrical symmetry? |
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Definition
| When there is no specific shape or is irregular. |
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Definition
| when body parts are arranged around a central axis like spokes around a bike wheel. |
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| What is bilateral symmetry? |
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Definition
| When there are distinct right and left halves |
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| Why does a sponge have radial symmetry? |
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Definition
| because it has no specific shape to it. |
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| Why does a cnidarian have radial symmetry? |
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Definition
| becus the body parts are arranged around a central axis. |
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| Why do humans have bilateral symmetry? |
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Definition
| becuzzz we have distinct right and left halves. |
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Term
| Explain The digestive system of an earthworm. |
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Definition
| Soil goes into the pharynx and then through the mouth. The food moves through the esophagus and then into the storage area called the crop. Next it goes into the gizzard which grinds the food. Finally solid waste goes through the anus and liquid waste goes through the nephridia. |
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Term
| Better breakdown of the digestive system: |
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Definition
| Pharynx, Mouth, Esophagus, Crop, Gizzard, Anus or Nephridia |
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Term
| What is the circulatory system of an eaarthwaorm like? |
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Definition
It is closed.
Blood goes anterior to posterior by a ventral blood vessel
Blood travels posterior to anterior by a dorsal blood vessel
It goes to the five aortic hearts
Then the smaller vessels branch into each segment of the body. |
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Definition
| the middle of an organism |
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Definition
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Definition
| toward the back end or butt |
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Term
| Blood type A can be what? |
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Definition
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Term
| If you have type B blood, what are your genes? |
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Definition
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Term
| If you are type AB blood, what are your genes? |
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Definition
| A or B-one gene is A, one gene is B. |
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Term
| If you are type O blood, what are your genes? |
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Definition
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Term
| How do you determine blood types with blood typing? |
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Definition
| Do a punnet square or two depending on what the parents blood types are. |
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Term
| Why are sex linked traits primarily shown in males? |
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Definition
| because males can only carry one allele while females can carry two. objective question oooopppss |
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Term
| In a pedigree what would a colored square mean? |
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Definition
| A male with the disease or condition thingy |
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Term
| In a pedigree what would a white cirlce mean? |
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Definition
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Term
| If Dee, who has a disease, marries Don, who is normal, what is the chance their kids would have a condition? What would you do for this problem? |
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Definition
| You would do a punnet square. Since most disorders are recessive, you would have dd on one side and Dd on the other. DO the square and put the genotypes and phenotypes then the answer. |
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Term
| What does a half colored shape mean in a pedigree? |
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Definition
| That the person is a carrier |
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Term
| How can you tell wheteher a trait is dominant or recessive? |
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Definition
| If it skips a generation it is recessive. If it is in all generations it is dominat. |
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Term
| How can you tell whether a condition is sex linked or autosomal in a pedigree? |
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Definition
| Sex linked would mean the trait is specific for males or females. Autosomal is not specific for males or females. |
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