In cucumbers, dull fruit (D) is dominant over glossy fruit (d), orange fruit (R) is dominant over cream fruit (r), and bitter cotyledons (B) are dominant over non-bitter cotyledons (b). The three characters are encoded by genes located on different pairs of chromosomes. A plant homozygous for dull, orange fruit and bitter cotyledons is crossed with a plant that has glossy, cream fruit and non-bitter cotyledons. The F1 are intercrossed to produce the F2. a. Give the phenotypes and their expected proportions in the F2. b. An F1 plant is crossed with a plant that has glossy, cream fruit and nonbitter cotyledons. Give the phenotypes and expected proportions among the progeny of this cross.
In cucumbers, dull fruit (D) is dominant over glossy fruit (d), orange fruit (R) is dominant over cream fruit (r), and bitter cotyledons (B) are dominant over non-bitter cotyledons (b). The three characters are encoded by genes located on different pairs of chromosomes. A plant homozygous for dull, orange fruit and bitter cotyledons is crossed with a plant that has glossy, cream fruit and non-bitter cotyledons. The F1 are intercrossed to produce the F2. a. Give the phenotypes and their expected proportions in the F2. b. An F1 plant is crossed with a plant that has glossy, cream fruit and nonbitter cotyledons. Give the phenotypes and expected proportions among the progeny of this cross.
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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In cucumbers, dull fruit (D) is dominant over glossy fruit (d), orange
fruit (R) is dominant over cream fruit (r), and bitter cotyledons (B) are
dominant over non-bitter cotyledons (b). The three characters are
encoded by genes located on different pairs of chromosomes. A plant
homozygous for dull, orange fruit and bitter cotyledons is crossed with a
plant that has glossy, cream fruit and non-bitter cotyledons. The F1 are
intercrossed to produce the F2.
a. Give the
b. An F1 plant is crossed with a plant that has glossy, cream fruit and nonbitter
cotyledons. Give the phenotypes and expected proportions among
the progeny of this cross.
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