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vocab
| Term | Definition |
|---|---|
| somatic cell | cells in body other than sperm and egg cells |
| gamete | a mature haploid male or female germ cell which is able to to unite wt another of the opposite sex |
| homologous chromosome | two chromosomes in a pair |
| autosome | one of the numbered chromosomes |
| fertilization | The process of combining the male gamete, or sperm, with the female gamete, or ovum. |
| haploid | a single set of chromosomes in an organism's cells |
| diploid | 2 complete sets of chromosomes in an organism's cells |
| meiosis | a type of cell division that reduces the number of chromosomes in the parent cell by half and produces four gamete cells |
| gametogenesis | the production of gametes from haploid |
| sperm | the male gamete |
| egg | the female gamete |
| polar body | a cell that separates from the immature ovum during meiosis |
| traits | characteristics that are inherited |
| genetics | the study of biological inheritance patterns and variation in organisms |
| cross | the mating of two organisms |
| purebreed | plants that are genetically uniform |
| law of segregation | mendal's first law |
| gene | a piece of dna |
| alele | any of the dif forms of a gene |
| homozygous | two alleles are the same |
| heteraygous | two alleles are dif |
| dominant | a trait that is expressed only when genotype is heteraygous |
| recessive | a trait that is expressed only when genotype is homozygous |
| genotype | the set if alleles a organism has for a trait |
| phenotype | what the resulting trait looks like |
| genome | all of a organism's genetic material |
| punnett square | a grid system for predicting all possible genotypes |