The process of meiosis occurs during the and results in . To maintain the correct number of chromosomes in offspring, male and female gametes contain of chromosomes as somatic cells. During fertilization, gametes fuse to form a cell called a zygote. a) trueb) false

Which scientist(s) is/are given credit for making the first recorded observations of microorganisms, such as bacteria and protists, with their microscope?

How many types of rock can form from the rock cycle

Duchenne muscular dystrophy is a serious condition caused by a recessive allele of a gene on the human x chromosome. the patients have muscles that weaken over time because they have absent or decreased dystrophin, a muscle protein. they rarely live past their twenties. how likely is it for a woman to have this condition? a) women can never have this condition.b) one-fourth of the daughters of an affected man would have this condition.c) one-half of the daughters of an affected father and a carrier mother could have this condition.d) only if a woman is xxx could she have this condition.