Answers. Best Answer: Primary nondisjunction can happen during meiosis when the chromosomes fail to separate as they should. This produces gametes with more than or less than the usual number of chromosomes. Secondary nondisjunction happens during meiosis in an individual whose chromosomes are already the wrong number because of nondisjunction. So, primary nondisjunction could produce a gamete with two Xs and a zygote with XXY. When this person matures and produces gametes, secondary nondisj.
Best Romantic Winter Getaways. Go on a Wolf Safari in Yellowstone National Park. Ninety-seven percent of the 3 million-plus annual Yellowstone visitors arrive in summer, so in the off-season, couples looking for seclusion have this 2,219,789-acre park practically to themselves.
Kerala Hill station & Backwater Tour. Kerala is the most popular honeymoon destination in India, particularly because of its romantic resorts on the beaches, backwaters and hill stations. Enjoye Kerala Hill station & Backwater Tour packages with Ambassador Kerala.