Explain how planetary orbits exemplifies the scientist method and the use of models.

2points what is the term for a female reproductive cell? a. egg b. chromatid c. allele d. fertilization

Write a paragraph at least 5 sentences “why all vaccinations should be mandatory”

Select the correct answer. 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