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Kinnersley Genetics
Test 3/23/007
| Side 1 | Side 2 |
|---|---|
| Genetics | The branch of biology that involves the study of how different traits are transmitted from one generation to the next. |
| Who discovered predictable patterns in the inheritance of traits? | Mendel |
| Garden Peas | Are easy to grow because they mature fast |
| Male and Female reproductive parts of a pea plant ____________ | Are not within the same flower |
| __ is the generation after the _ generation | F1, P |
| Mendel's initial experiments | Monohybrid crosses |
| Recessive traits in the F2 generation | Approx. 25% of the plants |
| What does a Dominate Allele mask? | Recessive allele |
| The patterns that Mendel discovered from the basis of _____, the branch of biology that deals with heredity | genetics |
| The passing of traits from parents to offspring is called _____ | heredity |
| Monohybrid Cross | Involves one pair of contrasting traits |
| Offspring of the P generation | F1 |
| Offspring of the F1 generatioin | F2 |
| A trait not expressesd in the F1 generation resulting from the crossbreeding of two genetically different true-breeding organisms is called: | recessive |
| Different forms of a particular gene | Alleles |
| In heterozygous individuals, only the ________ allele is expressed | Dominant |
| An organism that has two identical alleles | Homozygous |
| An organism's ________ refers to the set of alleles it has inherited. | Genotype |
| If some of the offspring of a test cross have the recessive trait, then the genotype of the individual being tested is ____________ | Heterozygous |
| Identifying patterns of inheritance within a family over several generations is possible by studying a diagram called a ________ | Pedigree |
| A situation in which two or more alleles influence a phenotype is called | Codominance |
| A trait controlled by three or more alleles is said to have | Multiple Alleles |
| A phenomenon in which a heterozygous individual has a phenotype that is intermediate between the phenotypes of its two homozygous parents is called _____ _______ | incomplete dominance |
| True-breeding | Plants that self pollinate - offspring are all the same |
| Monohybrid Cross | A cross that tracks the inheritance of a single character |
| Phenotype | Apperance of an organism |
| The Principle of Dominance and Recessiveness | One trait is masked or covered up by another trait |
| Principle of Segregation | The two factors (alleles) for a trait seperate during formation |
| Principle of Independent Assortment | Factors of a trait that seperate independently of one another during gamente formation; another way to look at this is whether a flower is purple has nothing to do with the length of the plant stems; each trait is independently inherited. |
| Incomplete Dominance | Mixture of both |
| Codominance | Striped/Both bold |
Created by:
acluke
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