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Genes D, E, F, and G are located on the same chromosome. The distances between the genes are below:
Relationship
Map Unit Distance
G-D
11
G-E
7
G-F
22
E-F
15
D-E
4
What is the order of the genes on the chromosome?
Choose 1 answer:
FEDG
GDEF

Respuesta :

Answer: GEDF

Explanation: i did it

luisvaschetto

The order of these linked genes on the chromosome is G-E-D-F.

  • Linked genes are genes located on the same chromosome, thereby they do not segregate (separate) independently during meiosis.

  • Centimorgans (cM) is a unit used in genetics to measure genetic linkage.

  • One (1) centimorgan is equal to a 1% of chance that a linked gene on a given chromosome will segregate from a second linked gene (i.e., a gene located in the same chromosome) due to genetic recombination.

  • In this case, the sequential order of the linked genes is:

G------------------E-------------D---------------F

G-----------11cM---------------D

G-----7cM------E

G-------------------22cM----------------------F

                       E----4cM---D

In conclusion, the order of these linked genes on the chromosome is G-E-D-F.

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