In roses, Red flowers (R) are dominant over white flowers (r), and Fragrance (F) is dominant over scentless (f). The genes for flower color and fragrance are located on the same chromosome, 22 cM apart.

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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In roses, Red flowers (R) are dominant over white flowers (r), and Fragrance (F) is dominant over scentless (f). The
genes for flower color and fragrance are located on the same chromosome, 22 cM apart.
The following cross is made:
RF/rf X rf/rf
What percent of the offspring are expected to have red flowers and Fragrance?
O a. 0%
O b. 11%
Oc. 22%
O d. 39%
Oe. 50%
Of. 78%
Og. 100%
Transcribed Image Text:In roses, Red flowers (R) are dominant over white flowers (r), and Fragrance (F) is dominant over scentless (f). The genes for flower color and fragrance are located on the same chromosome, 22 cM apart. The following cross is made: RF/rf X rf/rf What percent of the offspring are expected to have red flowers and Fragrance? O a. 0% O b. 11% Oc. 22% O d. 39% Oe. 50% Of. 78% Og. 100%
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