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Home Q & A Board Biology-Related Homework Help General Biology
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tama401 tama401
wrote...
13 years ago
 What would be the ploidy of the viable gametes produced by a tetraploid individual if nondisjunction of all chromosomes occurred in meiosis I?
   
   Diploid
   Triploid
   Tetraploid
   Haploid

 How can an allopolyploid plant become a biologically fit new species?
   
   Synapsis of homologous chromosomes
   Nondisjunction event during meiosis
   Allopolyploid plants cannot become biologically fit new species; they are always sterile.
   Nondisjunction event during mitosis

 How many chromosomes would be found in an allopolyploid plant if its parents had diploid numbers of 2 and 10, respectively?
   
   Diploid number of 6
   Haploid number of 6
   Haploid number of 12
   Diploid number of 12
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wrote...
#1
Educator
13 years ago
1st question, I'm guessing Tetraploid because nondisjunction is an error in meiosis or mitosis in which members of a pair of homologous chromosomes or a pair of sister chromatids fail to separate properly from each other.

2nd question, I'm guessing...

Nondisjunction event during meiosis

and for the 3rd question:

I'm guessing

Diploid number of 12

What textbook are you using, I can always double check!
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