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Vocab List 3
Genetics
19
Biology
10th Grade
10/04/2010

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Term
Allele
Definition
Each for two or more alternative forms of a gene.
Term
Cross-Pollination
Definition
A reproductive process in which pollen from one plant is transferred to the stigma of another plant.
Term
Dihybrid cross
Definition
hybridinazation using two traits with two alleles each.
Term
F1 Generation
Definition
Offsprig of the P generation.
Term
F2 Generation
Definition
Second finial generation.
Term
Genotype
Definition
Te entire genetic makeup of an organsm;also the combination of genes for one or more specific trait.
Term
Heredity
Definition
The passing of genetic traits for parent to offspring.
Term
Heterozygous
Definition
An individual that has two different alleles for a trait.
Term
Homozygous
Definition
Describes an indivividual that has identical alleles for a trait on both homologous chromosomes.
Term
Monohybrid Cross
Definition
Cross between individuals that involves one pair of contrasting traits.
Term
P Generation
Definition
True-breeding parents.
Term
Phenotype
Definition
An organism's appearance or other detectable characteristic that results from the enviroment.
Term
Probability
Definition
The likelihood that a possible fufture will occur in any given instance.
Term
Punnett square
Definition
A graphic used to predict the result of a genetic cross.
Term
Recessive gene
Definition
Trait or an allele that is expressed only when two recessive alleles from the same characteristics are inhereted.
Term
Segregation
Definition
The seperation of paired alleles during meiosis so that memebers of each pair of alleles.
Term
Self-Pollination
Definition
When pollpn is transferred from the anthers of a flower to the stigma of either that flower or another flower on that same plant.
Term
Trait
Definition
Genetically determined variant or characteristic.
Term
True-breeding
Definition
Pure, a trait that always produces an offspring with that trait.
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