Multiple Choice
Two genes,A and B,are linked.An individual of genotype A b/A b is crossed to one that is a B/a B.The F1 is testcrossed.Which of the following ratios most likely represents the phenotypic ratio observed in the progeny of this testcross?
A) 1:1:1:1
B) 1:4:4:1
C) 9:3:3:1
D) 51:24:24:1
E) 66:9:9:16
Correct Answer:
Verified
Correct Answer:
Verified
Q54: In Neurospora,an Irish strain makes big
Q55: Three crosses involving three linked genes were
Q56: A plant of genotype C/C <sup>.</sup> d/d
Q57: The fungal cross a <sup>.</sup><sup> </sup>b<sup>+</sup>
Q58: Ascospores from a cross leu-2 * ad-7
Q60: In a fungal cross
Q61: The three genes,D,E,and F,are closely linked as
Q62: A fruit fly of genotype a<sup>+</sup>/a
Q63: In loppins (small,diploid invertebrates),chocolate-dependent problem-solving ability is
Q64: A corn plant known to be