polyploidy

What is polyploids?

-organism with multiple sets of chromosomes in excess of the ___ ____.

Classification of polyploids are euploids and aneuploids.

Which one constitute the majority of polyploids?

• aneuploids

• euploids

Euploidy can be classified into

• aneuploidy

• autopolyploids

• allopolyploids

___ are polyploids with multiples of the complete set of chromosomes specific to species.

• Aneuploids

• Diploid

• Euploidy

Autopolyploidy

Containing multiple copies of the basic set (x) of chromosomes of the ____ ____.

Natural autoploids include tetraploid crops such as

• peanut

• alfalfa

• potato

• coffee

• bananas

Allopolyploidy meaning.

• A combination of genomes from different species.

• Containing multiple copies of the basic set (x) of chromosomes of the same genome.

Natural alloploid crops except ....

• 
• 
• 
• 

Allopolyploidy

-Result from hybridization of 2 / more genomes followed by ___ ____ / by the fusion of unreduced gametes between species.

- this mechanism is called non-disjunction. these meiotic aberrances result in plants with reduced vigor.

Aneuploidy are polyploids that contain either an ____ / ____ of 1 / more specific chromosomes to the total number of chromosomes that usually make up the ploidy of the species.