Biology, 04.01.2021 17:30 jenniferleeross53
What must occur during fertilization in humans in order to produce a male child?
The zygote must receive an X chromosome.
The zygote must receive two X chromosomes.
The zygote must receive a Y chromosome.
The zygote must receive two Y chromosomes.
Answers: 1
Biology, 22.06.2019 06:00
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.
Answers: 2
Biology, 22.06.2019 06:30
How does the diagram explain ocean currents? earth tilt 23.5 degreesquestion 1 options: earth's tilt causes uneven heating of earth which causes currents.earth's tilt causes the ocean to move because of gravity.earth's tilt and its rotation cause currents.earth's tilt causes uneven distribution of salt which causes currents.
Answers: 1
Biology, 22.06.2019 13:50
The largest unit within which gene flow can readily occur is a
Answers: 3
Biology, 22.06.2019 17:10
Drag the tiles to the boxes to form correct pairs. match the causes with their effects cause: tectonic plates at transform boundaries experience friction. cause: tectonic plates at transform boundaries experience friction. cause: earth is covered by a crust that runs miles deep.
Answers: 1
What must occur during fertilization in humans in order to produce a male child?
The zygote must re...
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