suppose that species I in the figure below has 2n = 10 and species II has 2n = 1

Question

suppose that species I in the figure below has 2n = 10 and species II has 2n = 12...

Genetics: A Conceptual Approach 6th Edition MHE/Freeman presented by Sap Learning Suppose that species l n the figure below has 2n E 10 and species ll has 2n 12. How many chromosomes would be present in the allotetraploid at the bottom of the figure? P generation Species 1 Species 2 Number Number of chromosomes GGHH I (2n- 6) (2n 6) Gametogenesis Gametes GH Fus Hybridization between two diploid species (2n 6 produces. F1 generation a hybrid with six Hybrid non homologous chromosomes that do not pair and segregate properly in meiosis resulting in A BCG unbalanced, nonviable (2n- 6) gametes sjunction at an early mitotic cell division Gametogenesis Map der

Explanation / Answer

Each parent will contribute 2n to the new offspring

We have : 2n = 10 ; n =5

2n=12 ; n = 6

So, we allotetrapoid will have: 5(2) + 6(2)

=10+ 12 = 22 chromosomes.

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