Answer to Question #59108 in Cell Biology for Tracy Guido

Question

62.
A homeotic gene is a gene that
is responsible for maintaining cellular conditions.
is expressed only in a specific tissue type after development.
assigns tissue identity during development.
is expressed at similar levels in all tissues.
is expressed during development.

63.
All of the cells in the human body contain the same genes. How do cells have different morphologies and functions when they contain the same genetic information?
Different cell types express particular genes at different levels.
Different cell types receive different endocrine signals.
Different cell types obtain different types of nutrients from their surroundings.
Different cell types synthesize proteins at a different rate.

Answer 1

62. assigns tissue identity during development is expressed during development

63. Different cell types express particular genes at different levels.