Term
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Definition
| selecting the best animals |
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Definition
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| Whatever we can consistently observe or measure in a living organism |
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| All the crosses Mendel did were with... |
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Definition
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Definition
| A cross between genotypes (pure-lines) that is homozygous for alternative alleles of the same gene |
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Definition
| physical characteristics of a trait |
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Definition
| the genetic composition of an individual |
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| If a population differs by only 1 trait, it’s a ______ population |
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Definition
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| If a population differs by 2 traits, it’s a ______ population |
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Definition
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Term
| Mendel crossed ______ and ______ peas |
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Definition
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Term
| F1 (first filial) generation |
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Definition
| the offspring of the cross of the parent (P) generation |
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Term
| F2 (second filial) generation |
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Definition
| offspring of the F1 (first filial) generation |
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Term
| the trait shown in the F1 (first filial) generation |
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Definition
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Term
| the traits shown in the F2 (second filial) generation |
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Definition
| 3/4 dominant and 1/4 recessive |
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Term
| what happens to the genes in meiosis? |
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Definition
| half of the genome from each parent gets transmitted to each gamete |
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Term
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Definition
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Term
| the similarity of our genes |
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Definition
| We all have pretty much the same genes |
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Term
| what happens when there's a dominant and a recessive allele present? |
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Definition
| the dominant gets expressed |
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Term
| when the recessive allele gets expressed |
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Definition
| only when there’s 2 recessive’s present |
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Term
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Definition
| contains 2 dominant or 2 recessive |
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Term
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Definition
| contains 1 dominant and 1 recessive |
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Term
| Mendel’s law of segregation |
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Definition
| Members of each pair of alleles separate from each other when an individual forms germ cells or gametes |
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Definition
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Term
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Definition
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Definition
| basic unit of inheritance |
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Definition
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Term
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Definition
| on a specific location on a specific chromosome |
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Term
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Definition
| the location of a gene on a chromosome |
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Term
| The number of chromosomes for each species is... |
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Definition
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Term
| does size of organism have anything to do with number of chromosomes? |
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Definition
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Term
| Chicken has ______ pairs of chromosomes |
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Definition
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Term
| the sex chromosomes in humans |
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Definition
| XY and XX, male and female respectively |
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Term
| the sex chromosomes in chickens |
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Definition
| ZZ and ZW, male and female respectively |
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Term
| Dihybrid cross deals with... |
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Definition
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Term
| No matter how many genotypes you have, you gotta look at it like this |
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Definition
| from the one locus point of view |
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Term
| the phenotypic ratio we seem to obtain in monohybrid crosses |
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Definition
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Term
| the phenotypic ratio we seem to obtain in dihybrid crosses |
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Definition
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Term
| when the thing with phenotypic ratios is true |
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Definition
| only when you have complete dominance at each locus |
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Term
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Definition
| the law of independent assortment, which says that Segregation of genes at one locus does not influence the segregation of genes at another locus |
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Term
| the law of independent assortment |
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Definition
| basically says that Segregation of genes at one locus does not influence the segregation of genes at another locus |
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Term
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Definition
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Term
| other than phenotypic ratios, produce these |
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Definition
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Term
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Definition
| what happens between 2+ loci |
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Term
| some comb types in chickens |
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Definition
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Term
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Definition
| when 2 copies of the recessive allele at one locus silences the effect of the alleles at another locus |
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Term
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Definition
| the dominant allele at one locus silences the effect of the alleles at another locus |
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Term
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Definition
| one dominant allele at both loci is needed for something to be expressed |
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Term
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Definition
| when you cross a homozygous recessive with an unknown |
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Term
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Definition
| crossing an animal with one of its parents |
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Definition
| used to determine whether or not a population is in balance |
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Term
| the hypothesis you use when doing a chi-square test |
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Definition
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Term
| Hardy-Weinberg e'librium works in absence of... |
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Definition
1: selection
2: mutation
3: drift
4: migration
in absence of these, allele frequency remains constant |
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Term
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Definition
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Term
| how mutation changes allele frequncy |
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Definition
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Term
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Definition
| interaction of alleles within a locus |
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Term
| some degrees of dominance |
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Definition
1: complete
2: incomplete
3: codominance or no dominance
4: overdominance
5: underdominance |
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Term
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Definition
| population that's not in e'librium |
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Term
| when to reject null hypothesis |
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Definition
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