Term
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Definition
| Trait that appears in the F1 |
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Term
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Definition
| The trait that dissapears in the F1 |
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Term
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Definition
| A line that will ALWAYS produce the sme result. |
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Term
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Definition
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Term
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Definition
| alternative combinations of a single gene |
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Term
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Definition
| individual with 2 diff alleles for a single trait |
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Term
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Definition
| Phyiscal Appearence of trait |
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Term
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Definition
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Term
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Definition
| Cross with a homozygous recessive |
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Term
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Definition
| multiply probabilities when two INDEPENDENT events occuring together 'and' |
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Term
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Definition
| add probability of either of two mutually exclusive events occuring 'or' |
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Term
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Definition
| Heterozygous for two genes at the same time |
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Term
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Definition
| Two alleles for each trait seperate during gamete formation and then unite at random, one from each parent at fertilization. |
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Term
| Law of Independent Assortment |
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Definition
| During gamete formation, different pairs of alleles segregate independently of eachother |
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Term
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Definition
| cellular structures that transmit genetic information |
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Term
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Definition
| Produces 2 daughter cells both (2n) |
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Term
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Definition
| Produces 4 daughter cells each (1n) |
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Term
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Definition
(2n) vs (1n)
refers to the number of copies of the chromosomes a gamete contains |
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Term
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Definition
| contains same set of genes but can have different alleles. |
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Term
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Definition
| appear after stain and help identifiy homologous chromosomes |
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Term
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Definition
| micorograph of stained chromosomes arranged in their homologous pairs |
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Term
| Autosomes vs Sex Chromosomes |
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Definition
all chromosomes except x & y (1-22)
unpaired x & y |
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Term
| Fruit Fly Gender Determination |
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Definition
ratio of X chromosmes to autosome
x-male
xx-female
xxx-dead
no x -dead |
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Term
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Definition
| Structure that helps allign homologous chromosomes during prophase of meiosis I |
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Term
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Definition
| During Meiosis. Breaking of one maternal and one paternal chromosome resulting in the exchange of corresponding section of DNA rejoining of the chromosome. |
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Term
| Chromosome theory of inheritance |
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Definition
| chromosomes carry mendel's units of heredity and thus expain mendel's law. |
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Term
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Definition
helped prove chrmosome theory of inheritance.
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Term
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Definition
| failures in chromosome segregation during meiosis. responsible for defects such as trisomy |
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Term
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Definition
| father (I-1) is unaffected and only sons show the trait in generation II |
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Term
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Definition
| transmission from affected father to all of his daughter |
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Term
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Definition
| two unaffected individuals have an infected child |
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