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chapter 7-1
fudamentals of genetics
| Question | Answer |
|---|---|
| genetics | (blank) |
| self-pollinationd | (blank) |
| cross-plollination | (blank) |
| genetics | part of bilology that studies heredity |
| self-pollinationd | process by which a plant pollinates itself |
| cross-plollination | transfer of pollen from the male structures of one plant to the female structures of another |
| true-breeding | displaying only one form of a particular trait in offspring |
| P generation | parental generation (plants that only showed one form of a particular trait |
| F1 generation | offspring from a cross of two varieties |
| F2 generation | offspring from crosses among individuals in the F1 generation |
| dominant | trait that is expressed when it's allele is homozygous or heterozygous |
| recessive | the trait that's not expressed in the F1 generation after crossing |
| homozygous | refers to a pair of genes or person w/ 2 identical alleles for a trait |
| heterozygous | refers to a pair of genes or individual w/ 2 different alleles for a trait |
| allele | an alternative form of same gene |
| phenotype | external apperance of an organism |
| genotype | alleles that an organism has |
| law of segregation | law that says that pairs of genes seperate in meiosis and each gamete recieves one gene of a pair. |
| law of indipendent assortment | says that pairs of genes seperate indipendantly from one another in meosis |