Genetic Analysis: An Integrated Approach (3rd Edition)
Genetic Analysis: An Integrated Approach (3rd Edition)
3rd Edition
ISBN: 9780134605173
Author: Mark F. Sanders, John L. Bowman
Publisher: PEARSON
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Chapter 10, Problem 14P

Dr. Ara B. Dopsis has an idea he thinks will be a boon to agriculture. He wants to create the “pomato,” a hybrid between a tomato (Lycopersiconesculentum) that has 12 chromosomes and a potato (Solanumtuberosum) that has 48 chromosomes. Dr.Dopsis is hoping that his new pomato will have tuber growth like a potato and the fruit production of a tomato. He joins a haploid gamete from each species to form a hybrid and then induces doubling of chromosome number.

How many chromosomes will the hybrid have before chromosome doubling?

Will this hybrid be infertile?

How many chromosomes will the polyploid have after chromosome doubling?

Can Dr.Dopsis be sure the polyploid will have the characteristics he wants? Why or why not?

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