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If Pitmaston Duchess has 51 how many has Louise de Jersey? Answer in words. 6 & 4
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Hi TheTov the answer is 34. please read below. Hope this helps.
John Innes Horticultural Institution, Merton
1. Of fifteen cultivated varieties of pears examined, eleven were diploid (2n=34) and four triploid (2n=51).
2. Secondary pairing occurred at metaphase of meiosis in diploids, but no multivalents were observed.
3. In triploid varieties, associations higher than trivalents were not observed.
4. The lower degree of secondary pairing in pears as compared with apples indicates a greater degree of differentiation of the chromosomes in pears.
5. It is considered that the evidence points to 7 being the primary basic number, and not eight as suggested bySax.
John Innes Horticultural Institution, Merton
1. Of fifteen cultivated varieties of pears examined, eleven were diploid (2n=34) and four triploid (2n=51).
2. Secondary pairing occurred at metaphase of meiosis in diploids, but no multivalents were observed.
3. In triploid varieties, associations higher than trivalents were not observed.
4. The lower degree of secondary pairing in pears as compared with apples indicates a greater degree of differentiation of the chromosomes in pears.
5. It is considered that the evidence points to 7 being the primary basic number, and not eight as suggested bySax.
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