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bio exam #2
| Question | Answer |
|---|---|
| mitosis | growth and repair |
| meiosis | producing sex cells |
| mitosis number of divisions | 1 |
| meiosis number of divisions | 2 |
| daughter cells produced in mitosis | 2 |
| daughter cells produced in meiosis | 4 |
| order of chromosomes in phases | interphase, prophase, metaphase, anaphase, telophase, cytokinesis |
| diploid | a cell with two sets of chromosomes |
| haploid | a cell with one set of chromosomes |
| binary fusion | prokaryotes reproduce mainly through this |
| proto-oncogenes | normal genes that help regulate growth and division |
| oncogenes | genes that can promote excessive cell growth |
| gene | a section of dna that influences a trait |
| allele | a version of a gene |
| homozygous | two identical alleles |
| heterozygous | two different alleles |
| incomplete dominance | the heterozygote has an intermediate phenotype |
| PP | purple |
| Pp | purple |
| pp | white |
| RR | red |
| WW | white |
| RW | pink |
| blood type A | IAIA |
| blood type B | IBIB |
| AB blood type | IAIB |
| O blood type | ii |
| dna pairs | A with T; C with G |
| rna pairs | A with U; C with G |