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Lecture #3
Species, Ploidy Levels and Classes of Wheat
6
Agriculture
Undergraduate 3
01/27/2016

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Cards

Term
What defines a species?
Definition

Same number of chromosomes

 

Chromosomes are homologous 

Term
What is the difference between diploid, tetraploid and hexaploid species?
Definition

Diploid = 2 pairs of chromosomes. Einkorn wheat

 

Tetraploid = 4 pairs of chromosomes. Emmer, durum and polish wheat

 

Hexaploid = 6 pairs of chromosomes. Spelt, Common wheat 

Term
What significance is the Ph1 gene?
Definition

Found on chromosome 5B

 

Each chromosome will pair only with its homolog from the same genome. Behaves like a diploid

 

 

Term
What are commercial classes of wheat?
Definition

Hard and soft

 

Red and white

 

Spring and winter 

Term
What factors the classifications of wheat?
Definition
growth habit, softness (protein content) and redness
Term
What is KVD?
Definition

Kernal Visual Distinguishability

 

Was removed from the Canadian Grain Act 

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