| genetics | | _________ dominance; one allele was completely dominant over another. |
| jumping | | means plants that are pure for a specific trait. |
| codominance | | what mcclintock was trying to lable the 10 chromosomes of. |
| probability | | law of ___________ assortment; states that factors for different characteristics are distributed to gametes independently. |
| heterozygous | | __________ genes; mcclintock believe cause differences to appear in a plant's offspring. |
| monohybrid | | occurs when pollen grains produced in the anthers are transferred to the stigma. |
| pure | | the transmission of characteristics from parents to offspring. |
| genotype | | DNA and proteins in a coiled, rod-shaped form that occurs durring cell division. |
| recessive | | male reproductive parts of a flower. |
| cross-pollination | | plants that are _______ for a trait always produce offspring with that trait. |
| spring | | test in which an individual of unknown genotype is crossed with a homozygous recessive individual. |
| incomplete | | occurs when both alleles for a gene are expressed in a heterozygous offspring. |
| phenotype | | occurs when pollen is transferred from the anthers of a flower to the stigma of either the same flower or a flower on the same plant. |
| homozygous | | parental generation. |
| F1-generation | | cold __________ harbor; where mcclintock presented her discovery at a meeting of scientists from around the world. |
| molecular | | mendels factors are now called this. |
| phenotypic | | law of ___________; states that a pair of factors is separated during the formation of gametes. |
| traits | | offspring of the parental generation. |
| alleles | | the latin term for heredity meaning heirship. |
| anthers | | when the two alleles in the pair are different. |
| complete | | female reproductive parts of a flower. |
| barbara | | __________ ratio; the ratio of the offsprings' phenotypes. |
| chromosome | | ________ratio; the ratio of the genotypes that appear in offspring. |
| stigma | | __________ cross; a cross between individuals that involves two pairs of contrasting traits. |
| F2-generation | | the actual name mcclintock gave to the "jumping genes". |
| independent | | __________ factor; factor that has no observable effect on an organism's appearance. |
| gregor | | a category within which alternate characteristics can be observed. |
| maize | | ___________ genetics; the study of the structure and function of chromosomes and genes. |
| color | | self pollinated plants from the offspring of the parental generation. |
| heredity | | the genetic makeup of an organism. |
| testcross | | _______ square; used in predicting the probability that certain traits will be inherited by offspring. |
| dominant | | the appearance of an organism as a result of its genotype. |
| segregation | | __________ dominance;occurs when two or more alleles influence the phenotype, resulting in a phenotype intermediate between the dominant trait and the recessive trait. |
| strain | | ___________mendel; entered a monastery in brunn, austria at the age of twenty one. |
| hereditas | | __________ mcclintock; a graduated student of cornell university |
| P1-generation | | the likelihood that a specific event will occur. |
| genotypic | | when both alleles of a pair are alike. |
| pollination | | the field of biology devoted to understanding how characteristics are transmitted from parents to offspring. |
| dihybrid | | ________ cross; a cross between individuals that involves one pair of contrasting traits. |
| punnett | | reproduction that involves flowers of two separate plants. |
| physiology | | mcclintock won the nobel prize for this in 1983. |
| transposons | | __________ factor; factor for a specific charactistic. |
| self-pollination | | "jumping genes" alter this in corn. |
