Large-scale mutations. 1  Copy number variation (CNV) is a type of mutation where large chunks of DNA are inserted, repeated or lost. 2  Duplication of genes. 3  Deletions of large regions of the chromosome. 4  Loss of one copy of a gene in an organism that previously had two copies.  Loss of both copies of the same gene.
Tulips are spring-blooming perennials that grow from bulbs. Depending on the species, tulip plants can be between 4 inches (10 cm) and 28 inches (71 cm) high. The tulip's flowers usually bloom on scapes with leaves in a rosette at ground level and a single flowering stalk arising from amongst the leaves.
Tulip Facts. Tulip is one of the most beautiful and most popular flowers in the world. There are 75 wild tulip species and over 3000 varieties of tulips created via selective breeding. Tulips originate from central Asia. They were brought to Europe in 16th century, when people started to cultivate them on a massive scale.