Biology Vocab
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Created by:
BronzeLion on October 24, 2010
Subjects:
gbhs, biology vocab, biology, mr. dickson
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27 terms
Terms | Definitions |
|---|---|
 gamete | cell at the end of the meoitic process (specialized cell) |
| cross over | the exchange of corresponding portions of chromatids between homologous chromosomes |
| anaphase 1 | separation of homologous chromosomes occurs in |
| centromere | point at which two chromatids are attached to each other in a chromosome |
| somatic | a body cell |
| mitosis | continues genetic continuity |
| meiosis (sexual reproduction) | increases genetic variety |
| oogenesis | process by which female gametes are produced |
| spermatogenesis | process by which male gametes are produced |
| independent assortment | random distribution of homologous chromosomes during meiosis |
| asexual | type of reproduction that results in offspring that are genetically identical to the parent |
| homozygous recessive | aa |
| homozygous dominant | AA |
| heterozygous | Aa |
| genotype | gene combination for a trait (Aa, aa, AA) |
| phenotype | the physical feature resulting from a genotype (Red Hair) |
| inherited traits | any characteristic that can be passed from parent to offspring |
| heredity | passing of traits from parent to offspring |
| genetics | study of factors responsible for heredity (genes) |
| allele | form of a gene |
| dominant | allele that is expressed in the heterozygous condition |
| recessive | allele that is masked by the dominant allele |
| monohybrid | cross involving a single trait |
| dihybrid | cross involving 2 traits and 2 genotypes |
| law of dominance | if there is more than 1 allele present, the one that shows up is dominant |
| law of segregation | during meiosis, homologous pairs split |
| law of independent assortment | genes separate independently of any and all other pairs |
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