| A | B |
| The ___produced by each parent are shown along the sides of a punnett square. | gametes |
| genotype Aa | heterozygous |
| Mendel's law of segregation | factors (alleles) that control traits seperate and only 1 factor from each pair are passed to the offspring. |
| The passing on of traits from parents to offspring | heredity |
| Cells containing two alleles for each trait | diploid |
| The gamete that contains genes contributed only by the mother | an egg |
| A couple has two children, both are girls. What's the chance the next child will be a girl? | 50 |
| Genes located on homologous chromosomes have alternate forms of a trait. The alternate forms are | alleles |
| Mendel crossed two P generation peas: tall and short. Why were the F1 all tall? | Gene for tall was dominant over short |
| Organsim's dipolid number is 14. What's the haploid number? | twelve |
| An organism's haploid number is 23. What's the diploid number? | 46 |
| Chromosomes form tetrads | Prophase I of Meiosis |
| Crossing over | Prophase I of Meiosis |
| Meiosis | Four genetically different haploid cells |
| Linked genes | Never seperate |
| The closer genes are located on a chromosome | Increases likelyhood for linked together |
| Two P generations crossed for height. Expected outcomes of tall plants in 100 tries? | 75 |
| Two P generations crossed for height. Expected outcomes of tall short plants in 100 offspring? | 25 |
| Genetic variation | Crossing over in prophase I, lining up of homologous chromosomes Metaphase I |
| Reduction division | Meiosis |
| RRYy or RrYy | Phenotypically round and yellow |
| rrYY or rrYy | phenotypically wrinkled yellow |
| Recessive traits | Only when organism has two recessive alleles for a trait. |
| AaBbCc | Polygenic trait-average |
| polygenic trait | more than one gene controlls for a trait |
| hair color/skin color | polygenic trait |
| multiple alleles | more than two variations for a trait, however, only two alleles will be used |
| codominance | Offspring exhibit both characteristics of parents |
| Incomplete dominance | offspring are a blend between two parents. |
| R'R' X W'W' | Pink. Incomplete dominance |
| BB X WW | Checkered chicken. Codominance. |
| Graph with only two phenotypes | Mendelian Dominant |
| graph that looks like a bell | polygenic traits |
| AABBCC--plant height | Produce a very tall plant |
| aabbcc--plant height | Produce a very short plant |