Name the four principle functions of the respiratory system.

Refer to the family pedigree shown here. in generation i, one parent is affected by the gene mutation and one parent isn't. in generation ii, all three children are affected by the gene mutation. what can you conclude about this gene mutation? a. all children born in future generations will be affected by this disorder. b. this gene mutation is a dominant disorder. c. this gene mutation is a recessive disorder. d. the generation i mother is a carrier of this gene mutation.

Which of the following organisms are capable of self-fertilization? a.plants b.tigers c.humans

Based on the diagram, which of the following best describes ways in which the physical appearance of h. neandertalensis and h. sapiens differ?