During which phase of mitosis do the spindle fibers help to pull the chromosomes the center of the cell with a lineup

2. sketch the inside of the bean nodule, and describe or label what you observed with the hand lens.

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.

This rapid change in species that rarely leaves behind fossil evidence is referred to as