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Definition
| a process when a cell produces an identical copy of itself - cell division |
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Definition
| X shaped coils of DNA that are found in the nucleus |
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Definition
| one of the 4 nitrogen bases found in DNA - it combines with THYMINE |
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Definition
| one of the 4 nitrogen bases found in DNA - it combines with ADENINE |
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Definition
| one of the 4 nitrogen bases found in DNA - it combines with GUANINE |
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Definition
| one of the 4 nitrogen bases found in DNA - it combines with CYTOSINE |
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Definition
| cells with only half of the complete number of chromosomes - these are usually the sperm and egg cells |
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Definition
| cells with the complete number of chromosomes - they have PAIRS of chomosomes - these are usually the body cells |
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Definition
| the number of chromosomes in human haploid cells (sperm & eggs) |
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Definition
| the number of chromosomes in human cells (except for sperm & egg cells) |
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Definition
| when lost body parts grow back and sometimes even form a new organism |
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Term
| twisted ladder or double helix |
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Definition
| the shape of the DNA molecule |
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Definition
| a type of reproduction when there is only one parent - offspring have DNA identical to the parent |
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Definition
| a type of asexual reproduction when a single celled organism (like bacteria) simply splits into two |
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Definition
| the joining of a sperm and egg cell |
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Definition
| a type of asexual reproduction when an offspring grows off of the side of the parent |
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Term
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Definition
| a process when a body cell produces 4 new cells with half of the number of chromosomes - produces sperm or egg cells - (starts as diploid, ends with haploid) |
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Definition
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Term
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Definition
| a small section of DNA that stores the instructions for making a protein |
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Term
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Definition
| a mistake in the DNA sequence - caused by radiation, sunlight, chemicals, etc. |
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Definition
| a type of reproduction involving two parents - offspring have DNA that is a mixture of both parents |
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Definition
| when a part of a plant or animal grows into a complete organism. (ex. growing a new tree from a branch) |
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