TASK DEFINITION: In this task, we ask you to elaborate the sentence without changing its general meaning. You can do so by explaining further the input sentence, using more precise wording, adding qualifiers and auxiliary information etc.
PROBLEM: The organism changes from a single zygote to a complex system of tissues and cell types .

SOLUTION: Differentiation occurs numerous times during the development of a multicellular organism as it changes from a simple zygote to a complex system of tissues and cell types .

PROBLEM: The Palace of Whitehall was the main home of the English kings and queens in London , from 1530 until 1698 , when all except Inigo Jones 's 1622 Banqueting House was destroyed by fire .

SOLUTION: The Palace of Whitehall ( or Palace of White Hall ) at Westminster , Middlesex , was the main residence of the English monarchs from 1530 until 1698 , when most of its structures , except for Inigo Jones 's Banqueting House of 1622 , were destroyed by fire .

PROBLEM: He was described as " a genius who almost single-handedly created the foundations for modern statistical science " .

SOLUTION:
For his work in statistics , he has been described as " a genius who almost single-handedly created the foundations for modern statistical science " and " the single most important figure in 20th century statistics " .