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xz_007 [3.2K]
2 years ago
7

HELP I NEED HELP ASAP HELP I NEED HELP ASAP HELP I NEED HELP ASAP HELP I NEED HELP ASAP

Biology
1 answer:
Basile [38]2 years ago
4 0

Answer:

I believe the answer is D for the top one

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Duchenne muscular dystrophy is a serious condition caused by a recessive allele of a gene on the human x chromosome. the patient
dedylja [7]
Duchenne muyscular dystrophy is caused by a mutation on the X chromosome, so a male gets it from his mother's X, if she is a carrier. The male child gets a Y and no X from his father, so the disease is always transmitted through the X from the mother. If a female gets Duchenne muscular dystrophy she has to have two X chromosomes, one from a carrier mother and another from from an affected father. This is virtually impossible because most males die before childbearing age and there is no way a female child can get an X from a man who does not live long enough to procreate. About eight percent of carrier women do show some muscle weakness, but they do not have the disease. 
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Answer the following questions: a) Why did some of the komodo dragon's eggs not hatch? b) How many parents did this komodo drago
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Explanation:

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How might an ecologist test whether a species is occupying its complete fundamental niche or only a portion of it? how might an
Sliva [168]

Ecologists are the persons who study the interrelationships between organisms and their environments. Like they research upon the species found in forests or deserts interact with each other and as well as their surroundings.

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What is the role of spinder fibers in mitosis?
alukav5142 [94]

Answer:

Spindle fibers form a protein structure that divides the genetic material in a cell. The spindle is necessary to equally divide the chromosomes in a parental cell into two daughter cells during both types of nuclear division: mitosis and meiosis. During mitosis, the spindle fibers are called the mitotic spindle.

Explanation:

4 0
2 years ago
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The mixture would be :
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hope this helps
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3 years ago
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