Brown hair and brown eyes are dominant traits in humans. if both parents have brown hair and brown eyes, how is it possible that their children can have blond hair and blue eyes? a. both parents are homozygous for brown eyes; b. both parents are homozygous for blond hair; c. the children inhereted one recessive gene from each parent; d. the children inhereted one recessive gene from each parent.

What is one function of the embedded proteins

Ecologist have observed a sharp increase of sulfur dioxide in the air . what might be a possible consequence of excessive sulfur dioxide in the air ? a. acid rain b. ozone layer depletion c.ozone layer hole d.increase in sea levels

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.