Question: Consider The Following Crosses Of Eye Color And Wing Length In Fruit Flies. Based On The Results, Deduce Which Alleles Are Dominant And The Genotypes Of The Parents. Note That The Parental Genotypes Are NOT The Same For All Crosses. (6 Points) Parents Progeny Brown, Long Brown, Vestigial Red, Long Red, Vestigial Cross 1: Brown, Long X Brown, Long 78 …
Consider the following crosses of eye color and wing length infruit flies. Based on the results, deduce which allelesare dominant and the genotypes of the parents. Note that theparental genotypes are NOT the same for all crosses. (6 points)
Parents |
Progeny |
|||
brown, long |
brown, vestigial |
red, long |
red, vestigial |
|
Cross 1: brown, long x brown, long |
78 |
24 |
0 |
0 |
Cross 2: red, long x red, vestigial |
30 |
27 |
98 |
95 |
Cross 3: red, vestigial x red, long |
0 |
0 |
80 |
87 |
Cross 4: red, long x red, long |
45 |
16 |
139 |
51 |
Cross 5: red, vestigial x brown, long |
48 |
42 |
46 |
45 |