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2 years ago

Which of these is the answer(s)?

Biology

2 answers:

bagirrra123 [75]2 years ago

4 0

Answer:

Explanation:

photolysis means splitting of light for that it is important

Svetradugi [14.3K]2 years ago

3 0

La respuesta correcta es la a de nada besos Xd

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How can crossbreeding help save a type of crop plant

AleksandrR [38]

<span>By combining it with its wild respective realtive to avoid acquiring diseases. or It can save a crop plant by altering its structure, so it can repel diseases</span>

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3 years ago

The fat of our body is an example of the

Leokris [45]

Answer:

Hope it helps

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3 years ago

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Ymorist [56]

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3 years ago

Which statement is true about nuclear decay

Readme [11.4K]

Answer:

Nuclear decay rates are constant

Explanation:

Spontaneous decay of unstable nuclei is a process of a statistical nature, it is not possible to predict with certainty when an individual radioactive nucleus will decay, nor can the decay process be influenced in any way.

Therefore, the half-life of radionuclides (specific for each radionuclide) is defined as the time period in which half of the initial number of radioactive nuclei decays.

The unit of measurement for the radioactivity of the material is the becquerel (Bq) and denotes the number of decays in one second (1Bq = 1 decay / 1 second).

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3 years ago

A man with normal vision marries a color-blind woman. Red-green color blindness is an X- linked recessive disorder. They have a

jeyben [28]

Answer: The probability is 100%.

Explanation: The chromosome X is related to gender. A man carries two different chromosomes (XY) and a woman carries two similar chromosomes (XX). The offspring of a couple will inherited:

If it is a boy, he inherites the chromosome Y from his father and X from his mother;
If it a girl, she inherites X from her father and X from her mother;

In the question, the woman is color-blind, which means she carries the recessive alleles: $X^{d}X^{d}$

The man, on the other hand, is normal, so his X-linked genotype will be: $X^{D}Y$ .

Now, since they have a daughter, she inherited her double X from each of her parents, which means she inherited one $X^{d}$ from her mother and one $X^{D}$ from her father.

So, the daughter's genotype can only be heterozygotic $X^{D}$ $X^{d}$ in other words, the probability is 100%.

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3 years ago