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nignag [31]
3 years ago
14

Which genetic disorders, caused by an extra X chromosome (XXY), is characterized by a lack of testicular development in males, e

ffeminate features, possible mental impairment, and a thin stature? A) Down's syndrome B) Turner syndrome C) sickle cell anemia D) Klinefelter's syndrome
Biology
1 answer:
yKpoI14uk [10]3 years ago
4 0

Answer:

D

Explanation:

This is caused mainly by nondisjunction of the sex chromosomes in gametes during meiosis. Therefore a gamete will have both XX chromosomes and fuse with a normal one with Y during fertilization. An XY gamete can also fuse with a normal one with X chromosome. These males with Klinefelter's syndrome produce less than normal levels of testosterone.

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40 POINTS
Cerrena [4.2K]

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8 0
4 years ago
Read 2 more answers
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IgorC [24]

Answer with Explanation:

The large sample size allowed Gregor Mendel to make comparisons quantitatively. The <em>"margin of error"</em> is narrower and it allowed him to<em><u> detect statistically significant results</u></em> through its statistical power.<em> Large sample sizes have a greater statistical power.</em> However, it takes a lot of t<em>ime, effort and money.</em> Mendel was very persistent and had the driving force. This allowed him to develop the<em> "Three Principles of Inheritance." </em>

A smaller sample size doesn't give a significant difference because the samples are quite random. This has a<em> tendency to mask the result.</em>

3 0
3 years ago
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Tatiana [17]

Explanation:

it is an endothermic process

Hope I helped

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3 years ago
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Brut [27]

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