The flies with variegated eye color had what abnormal chromosome ...

[NguyenJ]

Question 1

Species A has 2n=16 chromosomes and species B has 2n=14 chromosomes. Offspring that are diploid for either 22 or 23 chromosomes are most likely?
◦ autotriploids of species A
◦ autotetraploids of species B
◦ allotriploids
◦ allotetraploids
◦ allohexaploids

Question 2

The flies with variegated eye color had what abnormal chromosome structure?
◦ X-chromosome inversion that moves the w+ gene to a different orientation on the chromosome in some cells following X-ray exposure
◦ X-chromosome translocation that moves the w+ gene to a region of heterochromatin on another chromosome in some cells following X-ray exposure
◦ a mutation in the w+ gene following X-ray exposure that causes the gene to be overexpressed in a tissue-specific manner
◦ X-chromosome deletion that deleted the w+ gene in some cells following X-ray exposure
◦ a mutation in a somatic chromosome that causes the w+ gene to be translocated to the X-chromosomes following X-ray exposure

[harveenkau8139]

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[NguyenJ]

Thanks for the timely response, appreciate it

[triiciiaa]

Gracias!