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3 years ago

9

Although the most frequent forms of down syndrome are caused by a random error, nondisjunction of chromosome 21, down syndrome o

ccasionally runs in families. the cause of this form of familial down syndrome is ________.

1 answer:

den301095 [7]3 years ago

3 0

Genetic disorder facts

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Yo yo yo I need help with this question can someone smart answer this and the picture of the question is located above. Thank yo

Anon25 [30]

6 images:

1 2
3 4
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Interphase: image # 4
Prophase: image #6
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3 years ago

Mercury has the largest eccentricity of any of the eight planets. What is Mercury’s orbital eccentricity?

vladimir1956 [14]

Answer: 0.206

Explanation:

pretty much near 0.2056 if you round the 5 to the 6

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3 years ago

Read 2 more answers

How did giraffes get their neck so long

Maru [420]

The correct answer would be through adaptation and eventually over time they had to evolve to the area around them which made them develop over time to have longer necks .

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3 years ago

PLSSS HELP THIS IS DUE IN 20 MIN

ra1l [238]

Answer:

Explanation:

1- closely packed osteons or haversian systems, used to provide strength and protection to bones.

2- Spongy bone consists of plates (trabeculae) and bars of bone adjacent to small, irregular cavities that contain red bone marrow. provides balance to the dense and heavy compact bone by making bones lighter so that muscles can move them more easily.

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2 years ago

Which planet has a dramatic greenhouse effect, no moons and acid in its' clouds? *

drek231 [11]

Answer: venus

Explanation: Venus' thick atmosphere traps heat creating a runaway greenhouse effect – making it the hottest planet in our solar system with surface temperatures hot enough to melt lead. The greenhouse effect makes Venus roughly 700°F (390°C) hotter than it would be without a greenhouse effect.

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3 years ago