cell growth and reproduction- unit 6
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Created by:
graceface08 on February 10, 2011
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30 terms
Terms | Definitions |
|---|---|
 heredity | the passing of traits from parents to offspring |
| sexual reproduction | the production of offspring, resulting from the fusion of two specialized sex cells |
| gamete | specialized sex cell containing half the parental number of chromosomes |
| diploid | having a complete set of chromosomes |
| haploid | having only half the number of chromosomes, one from each pair |
| homologous | chromosomes of a pair containing similar genes |
| zygote | a fertilized egg |
| chromatin | a complex of DNA and protein, spread throughout the nucleus like a fine network of threads, seen only during interphase |
| chromatid | each identical part of a chromosome after replication |
| centromere | single point which holds chromatids together |
| adenine, guanine | purine bases found in DNA and RNA |
| cytosine | pyrimidine base found only in DNA and RNA |
| thymine | pyrimidine base found only in DNA |
| uracil | pyrimidine base found only in RNA |
| RNA | ribonucleic acid |
| Codon | a group of three bases which codes for an amino acid |
| nucleotide | a unit of DNA or RNA, consists of a sugar base and a phosphate group |
| chroma | color |
| de | without, take away |
| di | two |
| inter | between |
| meta | middle |
| oxy | oxygen |
| pro | first |
| telo | end |
| tetra | four |
| zygo | join |
| ic | of or pertaining to |
| ploid | chromosomes number |
| soma | body |
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