What is the difference between pleiotropy and redundancy

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Reference no: EM133391936

Questions:

1- Outline the differences between a mosaic specification of fate and conditional specification of cell fate, and make sure to explain what happens if a cell is damaged or taken away. Give examples of organisms that undergo each.

2- What is the difference between pleiotropy and redundancy? (1 mark) What happens if there are mutations in genes that are pleiotropic? What happens if there are mutations in genes that are redundant? Give one example of each.

3- List the three "posteriorizing" agents (NOT BMP) that direct cells to take on a fate appropriate for the caudal end of the animal and give a short description of each.

4- What are the three germinal zones that produce adult-born neurons and give a short description of each zone (if applicable, include location of the zone, necessity of the zone, and/or migration pattern of the zone)

A)What are the five gene types in the cascade of gene regulation in fruit flies, in hierarchal order?

B) How are the pair-rule genes discussed in class expressed, and what role do they play in development? Give an example of a pair-rule gene.

Reference no: EM133391936

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