During his first set of experiments, mendel crossed true-breeding plants that
expressed different versions of a studied trait. for example, he crossed tall
plants with short plants. based on his results, he said the tall plants exhibited
the dominant form of the trait, plant height. which of the following best
describes the f, offspring of this cross?
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a. about 25% were tall.
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b. about 25% were short.
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c. all were tall.
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d. all were short

Which statements are true of a scientific theory but not a hypothesis

Maria wanted to grow a fern in her backyard. acting on a suggestion from a friend, she collected brown dots from the underside of a fern's leaves and then potted them. after a few days, maria saw small fern leaves erupting from the pot. which statement explains this phenomenon? a. the fern transitioned from gametophyte generation to sporophyte generation. b. the fern grew as a result of mitosis. c. the fern transitioned from sporophyte generation to gametophyte generation. d. the fern grew to be genetically identical to its parent plant.

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.