In an organism that is polyploidy the entire genome is
a. duplicated from 2N to 4N.
b. duplicated from 4N to 8N.
c. Both A and B are possible.
d. duplicated only to odd numbers like 3N or 5N.
I think its b?
To determine the correct answer, let's first understand what polyploidy is. Polyploidy refers to the condition where an organism has more than two sets of chromosomes in its genome. This can occur due to errors in cell division or through intentional breeding techniques.
Poly means "many," and ploidy refers to the number of sets of chromosomes. So, a polyploid organism may have three sets of chromosomes (triploid), four sets (tetraploid), or even more.
Now, let's evaluate the options provided in the question:
a. duplicated from 2N to 4N: This option suggests that the genome is duplicated from a diploid state (2N) to a tetraploid state (4N). This is a possible outcome in polyploidy.
b. duplicated from 4N to 8N: This option suggests that the genome is duplicated from a tetraploid state (4N) to an octaploid state (8N). While polyploid organisms can have more than 4N, this specific scenario is less likely.
c. Both A and B are possible: This option suggests that both 2N to 4N and 4N to 8N duplications are possible. While A is possible, as discussed earlier, B is less common in natural scenarios.
d. duplicated only to odd numbers like 3N or 5N: This option suggests that polyploid organisms only have odd numbers of chromosome sets. However, in nature, polyploidy can result in both even and odd numbers of chromosome sets.
Based on the information provided, the correct answer is c. Both A and B are possible.