On a summer trip to the Galapagos you collect two finch species, Geospiza fortis and G. pauper and bring them back home. For fun you collect their DNA and identify 4 genes responsible for head shape (H-round h- elongated), Beak size (B- long, b- short), Feather color (F- black, f- brown) and Leg length (L- Long, l- short). These are the genotypes that you find: Geospiza fortis Hh Bb ff LL Geospiza pauper HH Bb Ff II If two G. pauper mate, what phenotypic ratios would you expect for the Feather color? O % black, % brown O all brown O ½ black, ½ brown all black

Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
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On a summer trip to the Galapagos you collect two finch species, Geospiza fortis and G. pauper and
bring them back home. For fun you collect their DNA and identify 4 genes responsible for head
shape (H-round h- elongated), Beak size (B- long, b- short), Feather color (F- black, f- brown) and Leg
length (L- Long, I- short). These are the genotypes that you find:
Geospiza fortis
Hh
Bb
ff
LL
Geospiza pauper
HH
Bb
Ff
II
If two G. pauper mate, what phenotypic ratios would you expect for the Feather color?
O % black, 4 brown
all brown
O ½ black, ½ brown
all black
Transcribed Image Text:On a summer trip to the Galapagos you collect two finch species, Geospiza fortis and G. pauper and bring them back home. For fun you collect their DNA and identify 4 genes responsible for head shape (H-round h- elongated), Beak size (B- long, b- short), Feather color (F- black, f- brown) and Leg length (L- Long, I- short). These are the genotypes that you find: Geospiza fortis Hh Bb ff LL Geospiza pauper HH Bb Ff II If two G. pauper mate, what phenotypic ratios would you expect for the Feather color? O % black, 4 brown all brown O ½ black, ½ brown all black
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