Dr. Ara B. Dopsis has an idea he thinks will be a boon t...

Question

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 (Lycopersicon esculentum) that has 12 chromosomes and a potato (Solanum tuberosum) that has 48 chromosomes. Dr. Dopsis is hoping 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.

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

Accepted Answer

Hello, everyone and welcome to today's video. So, polyploid of plant species frequently occur naturally and are also produced by human manipulation. Which of the following polyploid plant species with increased chromosome numbers is incorrect. As answer choice is a, we have apples between parentheses three n equals 51. As answer choice B, we have bananas between parentheses three N equals 33. As answer choice C, we have strawberries between parentheses, four N equals 40. And as answer choice D we have potatoes which is four N equals 40 A between parentheses. Well, as it turns out, answer choice is A B and are all going to be correct depictions of how polyploid is going to work in apples, bananas and potatoes. This is how they are going to be arranged. However, strawberries are going to be incorrect. But why is this? But as it turns out, strawberries have a haploid number of N equals seven. However, they're usually found as octopus, they're usually found as eight N equals 56. So this is the depiction that we should have in our answer choice, which is not what we're seeing. We're seeing four N equals 40. Therefore, strawberries is going to be incorrect and we're going to highlight it as the final answer to our question. I really hope this video helped you and I hope to see you on the next one.

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