Which explanation below best describes why meiosis produces haploid cells?
egg and sperm cells are haploid to have double the number of chromosomes as
a body cell.
egg and sperm cells have to have half the number of chromosomes as in body
cells so when they combine to form a zygote, the zygote is diploid and has the
correct number of chromosomes

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

Anurse is caring for a 42-year-old client who is scheduled for an amniocentesis during the fifteenth week of gestation because of concerns regarding down syndrome. what other fetal problem does an examination of the amniotic fluid reveal at this time?

The importance of the mind as a part of the body is an example of: