Genetics Vocabulary
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Created by:
cjknight92 on January 8, 2008
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15 terms
Terms | Definitions |
|---|---|
 Heterozygous | Where there are two different alleles for a trait. |
| Homozygous | When there are two identical alleles for a trait. |
| Hybrid | Offspring formed by parents having different forms of a trait. |
| Phenotype | Outward appearance of an organism regardless of it's genes. |
| Punnett Square | Reginald Punnett, an English bioligist, who devised a sorthand way of finding the expected proportions of possible genotypes in offspring of a cross. |
| Recessive | Trait of an organism that can be masked by the dominant form of a trait. |
| Trait | Characteristic that is inherited, and can be either Dominant or Recessive. |
| Zygote | Diploid cell formed when a sperm fertilizes an egg. |
| Allele | Alternative forms of a gene for each variation of a trait of an organism |
| Dominant | Observed trait of an organism that masks the recessive form of a trait. |
| Fertilization | Fusion of Male and Female gametes. |
| Gamete | Male and Female sex cells, sperm and egg cells. |
| Genetics | Branch of Biology that studies Heridity |
| Genotype | Combination of genes in an organism. |
| Heredity | Passing of characteristics from parents to offspring. |
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