Curly hair( H) is dominant to straight hair (h), and brown hair (B) is dominant to blond hair (b). Two parents that are each heterozygous for both traits decide to have children. What are the odds that they would have a child that looked like they do( with curly brown hair)? What would the phenotypic ratio of all their offspring be?

Researchers randomly divide participants into groups. each group takes a different amount of omega-3 fatty acid supplements daily for a month. one group receives a placebo. the researchers measure the impact on cholesterol levels in the blood. what is the purpose of random assignment in this experiment? a, to produce treatment groups with similar characteristics b, to ensure that all people with high cholesterol have an equal chance of being selected for the study c, to increase the accuracy of the research results and prevent skewness in the data

Whats one way that rocks do not follow the typical rock cycle pathway?

Idon’t know the answer and i’ve been stuck on it for a while now skskskskks