I don't really understand how to solve this question. For part a, I think my approach would be to find the genotypes of the parents first, and find the genotype of the F1. For part B, I would like to get some clarifications on the difference between linked genes with no crossing over vs. unlinked genes when approaching Punnett square type questions. Thank you also answer part a and b Biol 121 Worksheet - Genetic Crosses Tomatoes1. In tomatoes, yellow flowers (F) are dominant to white flowers (f)and thick stems (T) are dominant to thin stems (t).Pollen from a tomato with thick stems and white flowers pollinates a tomato withthin stems and yellow flowers.The F1 all have thick stems and yellow flowers.a) When you perform a testcross on the F1s, if the genes segregate independently,what phenotypes do you expect and in what ratio do you expect these phenotypes tooccur? Show all your work.b) When you perform a testcross on the F1s, if the genes are linked with no crossingover, what phenotypes do you expect and in what ratio do you expect thesephenotypes to occur? Show all your work.

An experiment known as a test-cross involves determining the genotype of an organism expressing…

Answered: Biol 121 Worksheet - Genetic Crosses…

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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I don't really understand how to solve this question. For part a, I think my approach would be to find the genotypes of the parents first, and find the genotype of the F1. For part B, I would like to get some clarifications on the difference between linked genes with no crossing over vs. unlinked genes when approaching Punnett square type questions. Thank you

also answer part a and b

Biol 121 Worksheet - Genetic Crosses Tomatoes
1. In tomatoes, yellow flowers (F) are dominant to white flowers (f)
and thick stems (T) are dominant to thin stems (t).
Pollen from a tomato with thick stems and white flowers pollinates a tomato with
thin stems and yellow flowers.
The F1 all have thick stems and yellow flowers.
a) When you perform a testcross on the F1s, if the genes segregate independently,
what phenotypes do you expect and in what ratio do you expect these phenotypes to
occur? Show all your work.
b) When you perform a testcross on the F1s, if the genes are linked with no crossing
over, what phenotypes do you expect and in what ratio do you expect these
phenotypes to occur? Show all your work.

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