Biology, 07.03.2020 04:33 starxx05235
In Drosophila, singed bristles (sn) and cut wings (ct) are both caused by recessive, X-linked alleles. The wild type alleles (sn+ and ct+) are responsible for straight bristles and intact wings, respectively. A female homozygous for sn and ct+ is crossed to a sn+ct male. The F1 flies are testcrossed. What is the map distance between sn and ct? The F2 males are distributed as follows
sn ct
13
sn ct+
36
sn+ ct
39
sn+ ct+
12
Answers: 3
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In Drosophila, singed bristles (sn) and cut wings (ct) are both caused by recessive, X-linked allele...
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