تم الحل ✓
categoryأحياء
schoolبكالوريوس
event_available2026-07-13
السؤال
Transcribed Image Text:
5. (12 points) Hagrid, the Hogwarts gamekeeper, is fascinated with dragóns. A true-
breeding Common Welsh Green Dragon with green scales, brown eyes and a smooth tail
was crossed to a true-breeding Hebridean Black Dragon with black scales, purple eyes and
a spiked tail. All of the F1 dragons had green scales, brown eyes and a smooth tail. When
the green scaled, brown eyed and smooth tailed F1 females were crossed to true-breeding
black scaled (b), purple eyed (p), spiked tail (s) males the following results were obtained,
Hagrid was very confused with this data. He asked Hermonine to explain the outcome to
him.
Scale Color
Black (h) vs
5%
Green (b+)
Eye Color
Purple (p) vs
b+
Brown (p+)
P
b
1%
P+
b+
Tail
Spiked (s) vs
Smooth (s+)
S+
S
Number
49
52
5%
P
S
b
51
p+
DCO
S+
26%
b+
48
p+
S
20%
207
b
P
S+
207
193
b
201
b+
P
P+
S
205
NR
S+
195
total
1000
a. (4 points) How many chromosomes carry the three genes and which alleles are on each
chromosome?
any linked genes.
2 chromosomes
band pane chromosome
and you is in thermosome
ZZ
above
b. (8 points)Show the configuration of these three genes including the distance between
86 pppp
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