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Biologychapter 5
study help
| Question | Answer |
|---|---|
| Producing a new organism using only mitotic cell divisions is called?? | Asexual reproduction |
| Paired heredity factors are called? | Genes |
| Uppercase means? Ex.T | Dominant |
| Lowercase means? | recessive |
| organism with two different alleles is? | heterozygous |
| Different forms of a gene for a trait are? | alleles. |
| Letters that represent the real combination of alleles for s trait are called? | Genotype |
| Location of a gene in a chromozone? | locus |
| An organism with 2 identical alleles ? | Homozygous |
| The physical expression of an organisms genes. Is it tall or short!! | Phenotype |
| Punnett square | a diagram used to show possible gamete combinations from a genetic cross. |
| Gregor Mendel | Father of genetics |
| Process by which a plant is fertilized by its own pollen | self- pollination |
| Plant is fertilized by another plants pollen is called? | cross- pollination |
| P1 | The original parent generation |
| F1 | The first fillial generation, offspring of the p1 generation |
| F2 | Second fillial generation, offspring of the f1 generation |
| Mating organisms to determine an unknown genotype is? | Test cross |
| Pedigree | chart tracing presence of a trait for several generations |
| Incomplete Dominance | both alleles are expressed but neither is dominant. they blend |
| 2 alleles for a gene are expressed but there is no blending | Codominance |
| Multiple Alleles | when there are more than 2 alleles for a trait |
| Dominant blood type alleles | Ia and Ib |
| Recessive blood type alleles | i |
| cross dealing with 2 traits at the same time | Dihybrid cross |
| Independent assortment | traits are inherited independently from eachother |
| 2 or more genes together control a trait. | Polygenic-inheritance |
| Autosomes | chromosomes that do not control the sex |
| Female | XX |
| Male | XY |
| Sex-linked traits | traits who's genes are located on the x or y chromosomes |
| X and y are not?? | Homologous |
| Carries the gene but not the trait | Carrier |
| Males Have more sex-linked disorders | fact |
| Karyotype | Picture of human chromosome pairs |
| Hetero- gametes | not alike |
| Fertilization | the process of forming a zygote |
| Spermatogenisis | meiosis resulting in the formation of sperm |
| Oogenisis | meiosis resulting in the formation of ova |
| Union of of haploid gametes to form a dipliod zygote | Sexual reproduction |
| First phase of the cell cycle | Interphase, G1 S, and G2 |
| The formation of an identical copy of genetic info in a cell | Mitosis |
| First phase of Mitosis in which centrosomes migrate to opposite sides | Prophase |
| 2nd phase of mitosis where centromeres align in the middle. | Metaphase |
| Formation of daughter chromosomes 3rd phase of mitosis | Anaphase |
| 4th phase of mitosis where a new nucleus forms. | Telaphase |
| The cell is divided The Final phase of mitosis | Cytokinesis |
| Only in plant Cytokinesis | Cell Plate |
| The study of heredity | Genetics |
| Long strands of DNA | Chromosones |
| Proteins that help support the DNA | Histones |
| Human diploid number | 46 |
Created by:
Kyle Witt
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