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Quiz- Mendel: peas

Monday, March 24. ch-5.1: Heredity

TermDefinition
Heredity The passing of genetic traits from parent to offspring
Pollination The transfer of pollen from the male reproductive structures to the female structures of seed plants.
Self-pollinating plants Has both male and female structures, pollen from one flower can fertilize the ovule of the same flower or the ovule of another flower on the same plants. *Produces offspring exactly like parent plant.
Cross-pollination Pollen from plant fertilizes the ovule of a flower on a different plant. Pollen can also be carried by the wind from one flower to another.
True-breeding All of its offspring will have the same trait as the parent.
Characteristic A feature that has different forms in population. Ex: Hair color, eye color.
Traits The different forms (specific) characteristics. Ex: Red hair, brown hair
Dominant trait The trait observed in the first generation when parents that have different traits are bred. *Express as a capital letter (B= brown eyes) *Trait that is observed in the first generation, at least one allele is inherited
Recessive trait A trait that reappears in the 2nd generation after disappearing in the first generation when parents with different traits are bred. *Expressed as a lower case letter. It is apparent when 2 recessive alleles are inherited.
Ratio A relationship between two different #'s that is often expressed as a fraction. (Can be expressed by :, a fraction, or using the word to.)
Probability The likelihood that a possible future event will occur in any given instance of the event.
What were the results
Created by: jordanbrookstone
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