Aman has mutations in his skin cells from excessive sun exposure. these mutations will not be passed along to the man’s offspring because a) skin cells are not gametes. b) skin cells do not contain dna. c) mutations are never passed to offspring. d) genetic material is not found in somatic cells. the answer is a

After fertilization, which type of cellular division is responsible for the growth and development of a complex, multicellular organism?

Which statements best describe the differences or similarities between a comparative investigation and an experimental investigation? check all that apply. experimental investigations are best for showing cause-and-effect relationships, while comparative investigations do not necessarily show this type of relationship. comparative investigations are often impractical and unrealistic, while experimental investigations are the most practical and realistic kinds of investigations. comparative investigations allow for the use of a wide range of variables but do not have a control group, while experimental investigations involve variables that can be controlled. both experimental investigations and comparative investigations are designed to answer scientific questions. both experimental investigations and comparative investigations focus on making observations rather than collecting new data.

Aprocedure done under controlled conditions to test a hypothesis is an inquiry.