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You are a zoologist working with Giraffes. Their main traits are: Grey tongues (G"), Rudimentary Horns (R*), Long necks (L*). You perform the following testcross with an individual with recessive versions of all 3 of the traits. P: G* R* L*/G*R* L* x GRL/GRL F1 (all identical): G* R* L*/G RL Test Cross Progeny 2021 GRL 1987 G* R*L* 600 G R L* 444 G R* L 125 GR L 122 G*R* L 7 G RL G R L* Total progeny= 5307

You are a zoologist working with Giraffes. Their main traits are: Grey tongues (G"), Rudimentary Horns (R*), Long necks (L*). You perform the following testcross with an individual with recessive versions of all 3 of the traits. P: G* R* L*/G*R* L* x GRL/GRL F1 (all identical): G* R* L*/G RL Test Cross Progeny 2021 GRL 1987 G* R*L* 600 G R L* 444 G R* L 125 GR L 122 G*R* L 7 G RL G R L* Total progeny= 5307

Human Anatomy & Physiology (11th Edition)
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
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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What is the distance between G&R, G&L, R&L

**Genetic Study of Giraffe Traits - Test Cross Analysis** As a zoologist working with giraffes, the focus is on three main traits: Grey tongues (G^r), Rudimentary Horns (R^r), and Long necks (L^r). In this study, a test cross is performed with an individual that possesses recessive versions of all three traits. **Parental Generation (P):** - G^r R^r L^r / G^r R^r L^r × G R L / G R L **First Filial Generation (F1):** - All individuals are G^r R^r L^r / G R L **Test Cross Progeny Results:** | Number of Progeny | Phenotype | |-------------------|-----------------| | 2021 | G R L | | 1987 | G^r R^r L^r | | 600 | G^r R L^r | | 444 | G R^r L | | 125 | G R L^r | | 122 | G^r R^r L | | 7 | G^r R L | | 1 | G R^r L^r | **Total Progeny = 5307** **Notes:** - Please do not round answers. Leave them as 1 decimal point.
Transcribed Image Text:**Genetic Study of Giraffe Traits - Test Cross Analysis** As a zoologist working with giraffes, the focus is on three main traits: Grey tongues (G^r), Rudimentary Horns (R^r), and Long necks (L^r). In this study, a test cross is performed with an individual that possesses recessive versions of all three traits. **Parental Generation (P):** - G^r R^r L^r / G^r R^r L^r × G R L / G R L **First Filial Generation (F1):** - All individuals are G^r R^r L^r / G R L **Test Cross Progeny Results:** | Number of Progeny | Phenotype | |-------------------|-----------------| | 2021 | G R L | | 1987 | G^r R^r L^r | | 600 | G^r R L^r | | 444 | G R^r L | | 125 | G R L^r | | 122 | G^r R^r L | | 7 | G^r R L | | 1 | G R^r L^r | **Total Progeny = 5307** **Notes:** - Please do not round answers. Leave them as 1 decimal point.
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