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Citrus2011 [14]
3 years ago
13

HELP I NEED HELP ASAP

Biology
1 answer:
Oduvanchick [21]3 years ago
8 0

Answer:

Explanation:

12. The oceans are, by far, the largest reservoir of water on earth — over 96% of all of Earth's water exists in the oceans.

13.The organisms that contribute the most to the water cycle are plants. Plants release water into the atmosphere through transpiration.

14. Russia 139,406 4,164,738

15. Some human activities, such as pumping water into the ground for oil and gas extraction, can cause an aquifer to hold too much ground water. Too much ground water discharge to streams can lead to erosion and alter the balance of aquatic plant and animal species.

16. There would be more water by %8    can i have brainliest now LOL

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3 years ago
Tim and Stephanie are devastated when they find out their newborn son has hemophilia- sex-linked recessive disease. Tim is shock
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Hemophilia is a X-linked recessive disease. Tim is not correct in his thinking because he can not pass the condition to his son. Only mother can pass it to sons since they get X chromosome from the mother. Father gives Y chromosome to sons which does not carry the hemophilic gene.

Tim and Stephanie's son can be hemophilic even when neither of the parents are hemophilic. In this case, Stephanie must be a carrier i.e. heterozygous for the trait.

Tim : XHY (normal)

Stephanie : XHXh (normal but carrier)

Their children:

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XH  XHXH   XHY

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As clear by the punnett square, all the daughters will be normal (half will be carriers like Stephanie). Half of the sons will be normal (XHY) and other half will have hemophilia (XhY).

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Learn more about anxiety here:

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