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| A tool for tracing a trait through generations of a family is called _______________. |
pedigree |
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angela Sun, 20 Feb 2011 16:57:38 GMT |
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| After meiosis, how many chromosomes does each new cell have? |
Each new cell will half 1/2 the number of chromosomes of the original cell. |
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angela Sun, 20 Feb 2011 16:56:37 GMT |
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| During ________, chromosomes are copied once, and then the nucleus divides twice. |
meiosis |
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angela Sun, 20 Feb 2011 16:56:37 GMT |
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| During ____________, chromosomes are copied once and the nucleus divides once. |
mitosis |
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angela Sun, 20 Feb 2011 16:54:09 GMT |
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| Forms around each new cell during meiosis. |
cell membrane |
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angela Sun, 20 Feb 2011 16:54:09 GMT |
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| The process in which the nucleus divides only once is called ____________. |
mitosis. |
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angela Sun, 20 Feb 2011 16:54:09 GMT |
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| An exact duplicate of a chromasome is called _______________. |
chromatid. |
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angela Sun, 20 Feb 2011 16:54:09 GMT |
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| How chromosomes look before meiosis |
threadlike |
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angela Sun, 20 Feb 2011 16:49:44 GMT |
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| A tool used to visualize all the possible combinations of alleles from parents is called ___________. |
Punnett square |
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angela Sun, 20 Feb 2011 16:49:44 GMT |
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| When a sex cell divides, what is the result? |
This results in a sperm or egg with half the number of chromosomes of the original cell. |
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angela Sun, 20 Feb 2011 16:49:44 GMT |
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| Sutton proposed that _____________ are located on chromosomes. |
genes |
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angela Sun, 20 Feb 2011 16:49:44 GMT |
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| Walter Sutton observed that chromosomes of the eggs and sperm are located in the ___________________. |
nucleus |
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angela Sun, 20 Feb 2011 16:46:12 GMT |
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| In humans, how many chromosomes does a sperm cell have? |
23 |
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angela Sun, 20 Feb 2011 16:46:12 GMT |
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| In humans, how many chromosomes does an egg cell have? |
23 |
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angela Sun, 20 Feb 2011 16:46:12 GMT |
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| In humans, when a new cell is formed from a sperm and egg cell, how many chromosomes does it have? |
46 |
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angela Sun, 20 Feb 2011 16:46:12 GMT |
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