ppt课件网

DNA—the Secret of Life ppt课件内容预览：to have similar physical features as someone else to be similar to an older person in your family in appearance or personality a formal word meaning to have similar physical features as someone elselook likeresemblepptcell diseases environment gender genetics identicaltwinSomething that is found in all living things is a ________.A ______ is one of two children born at the same time to the some mother. __________ is the study of genes.Some __________ are inherited but not all of them.celltwinGeneticsdiseases5. The _______ of a child is whether it is a boy or a girl.DNA—the Secret of Life 6. Twins who are _________ have exactly the same genes.

课件关键字：dna,sec