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Asexual 123
Term | Definition |
---|---|
Gregor Mendel | father of modern genetics, worked with pea plant experiments (1856-1863) |
Punnett square | a graphic used to predict the results of a genetic cross |
Genetic | the study of heredity |
Alleles | The physical evidence of a gene |
Heredity | the passing of genetic material from parent to offspring |
Fertilization | the union of a male and female gamete to form a zygote |
Dominant Allele | The allele that physically appear in an organism |
Recessive Allele | The hidden allele that does not appear |
Codominance | Both traits are dominant and physically appear |
Heterozygous | having two different alleles Example Bb, Tt |
Homozygous | having the same alleles Example BB, bb, TT, tt |
Hybrid | the offspring of two different species (ex. mule = donkey + horse) |
Zygote | once a sperm has fertilized an egg. |
incomplete dominance | Results in a blending of the appearance of the traits. |
Chromosome | a threadlike structure in a cell's nucleus that is made up of DNA |
Asexual reproduction | One parent. Parent and offspring have same genetic makeup |
Sexual reproduction | Two Parents each contribute a sex cell to the new organism |
Phenotype | Physical appearance of a gene |
Genotype | The letter representation of a gene |
Trait | a characteristic expressed by a gene (ex. hair color, leaf shape, eye color, etc.) |
Clone | an exact copy of cells produced asexually |
Genes | one segment of DNA from parents |
Gamete | the cells used during sexual reproduction (sperm or egg) |
DNA | the blueprint of life |