43. Organisms that reproduce sexually display a high frequency of genetic variation. Which two
meiotic processes provide most of the genetic diversity of a species?
A. synapsis and separation
C. polar migration and cytokinesis
B. replication and condensation
D. independent assortment and crossing over

The procces of farming organism from the sea is ?

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.

Construct at least two possible hypotheses for the student’s experiment.