Which of the following are general characteristics of all three groups of fish?
select all that apply.
notochord present only in embryos
swim bladder
jaws
closed circulatory system
lateral line system

What are characteristics of minerals? select 3 choices

20 how are energy cycles and growth cycles related?

Tay-sachs disease is caused by a mutation in the hexa gene located on chromosome 15. tay-sachs follows an autosomal recessive pattern of inheritance. with the of the diagram, identify which of the offspring will be an unaffected carrier. a diagram showing the genes of parents who are carriers of tay-sachs disease a. a, b, and c b. b and c c. a and d d. a e. d