Part E: Your molecular clock model resembles another branching chart, the phylogenetic chart, which you’ve used in this unit. Review the sample phylogenetic chart. What types of data are used to build a phylogenetic chart? How do phylogenetic charts differ from molecular models, such as the molecular clock model?

In the family tree below, people with the recessive trait of attached earlobes are shaded gray.

When proteins are being produced by a cell, scientist say that the genes are question 2 options: activated turned off replicated deactivated

2. which of the following statements does not accurately describe stem cells? a. embryonic stem cells make up the inner cell mass of a blastocyst. b. with more research, stem cells may be used to repair or replace damaged cells. c. the use of stem cells is without any objections since it can be used in therapies to humans. d. adult stem cells are multipotent and can differentiate into many types of cells.