Gene Map

Given the crossover frequency of each of the following genes, construct a chromosome map.  
Gene    Frequency of Crossover
A-C            30%
B-C            45%
B-D            40%
A-D            25%

• A - B - C - D
• B - D - A - C
• B - A - D - C
• C - A - D - B

Tags

NGSS.HS-LS3-3

The recombination frequency between gene F and gene G is 10.4%, the recombination frequency between gene F and gene H  is 8.0%, and the recombination frequency between gene G and gene H is 18.4%. Which is the correct arrangement of these genes?  

• FGH
• FHG
• GHF
• HFG 

Tags

NGSS.HS-LS3-3

1 map unit is equal to:

• 1 nm
• 1% recombination
• 1 chromosome
• 1 mutation

The following are results of crossing a female fly (AaBb) with a male fly (aabb). 
AaBb 1005
aabb  1000
Aabb  200
aaBb  210
Which two genotypes are the recombinant offspring? 

• AaBb & Aabb
• AaBb & aaBb
• Aabb & aaBb
• AaBb & aabb 

Tags

NGSS.HS-LS3-2

According to _______, genes that are closer together on a chromosome, have a higher chance of being inherited together.  

• Gene Linkage
• Polygenic
• Pleiotropy
• Epistasis