in a species of corn, the resistance to an herbicide (H) is dominant to herbicid
ID: 16862 • Letter: I
Question
in a species of corn, the resistance to an herbicide (H) is dominant to herbicide susceptibility (h). Large seeds (B) is dominant to small seeds (b). Using this information, match the crosses in List A to the correct ratio in List B. Answers may be used more than once or not at all.List A
1.) BbxBB
2.) BbxBb
3.) bbxbb
4.) HHBBxHhBb
5.) HhBbxHhBb
6.) Hhxhh
List B
A. all phenotypically dominant
B. all phenotypically recessive
C. 1:1 genotypic ratio
D. 3:1 phenotypic ratio
E. 1:2:1 genotypic ratio
AB. 9:3:3:1 phenotypic ratio
AC. 9:3:3:1 genotypic ratio
AD. both D and E
Explanation / Answer
in a species of corn, the resistance to an herbicide (H) is dominant to herbicide susceptibility (h). Large seeds (B) is dominant to small seeds (b). Using this information, match the crosses in List A to the correct ratio in List B. Answers may be used more than once or not at all.
List A
1.) BbxBB
A. all phenotypically dominant
2.) BbxBb
D. 3:1 phenotypic ratio
3.) bbxbb
B. all phenotypically recessive
4.) HHBBxHhBb
all phenotypically dominant
5.) HhBbxHhBb
9:3:3:1 phenotypic ratio
6.) Hhxhh
1:1 genotypic ratio
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