It is possible that the main title of the report Marfan Syndrome is not the name you expected. Please check the synonyms listing to find the alternate name(s) and disorder subdivision(s) covered by this report.
As Jenny points out, being able to lisp the alphabet song at age two has little to do with 'knowing' the alphabet. And, yes, most children learn the letters by sight and sound in kindergarten, although most are capable of learning this information sooner if diligently taught by parents or others.
1 Itâs important to stimulate your childâs intellectual development by reading aloud to him every day. 2  Kids gradually begin to understand the concept of time. 3  By age 3, preschoolers know 300 words. 4  That expands to 1,500 words by age 4, and to 2,500 words by age 5.