BIOLOGY 230 Lecture 6: bio 230 unit 3 lect 6
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In plants, you want to know whether two loci, P and Q, are linked and if so, what their map distance is. You do a testcross with a P/pâQ/q plant and observe the following progeny. Based on this information, what are the genotypes of the parents?
Genotype | Progeny |
P/pâQ/q | 21 |
p/pâq/q | 25 |
P/pâq/q | 216 |
p/pâQ/q | 238 |
a - PQ/pq x pq/pq
b - PQ/PQ x pq/pq
c - PQ/pq x PQ/pq
d - PQ/pq x pq/pq
e - pQ/Pq x pq/pq