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Anika [276]
3 years ago
10

Select all that apply.

Biology
2 answers:
katovenus [111]3 years ago
6 0
 boron and hydrogen are the two
Aliun [14]3 years ago
5 0
I think it is boron this is my answer


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In developing countries, which of the following is predicted to happen to both population and demand for meat and milk?
lora16 [44]
Number c is the answer
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3 years ago
If a cell has a diploid number of 8 (2n = 8) before meiosis, how many chromosomes will be in each of the four daughter cells aft
Naddik [55]

Answer:

The final product is four gametes, two of them with 5 chromosomes, and the other two with 3 chromosomes each.

Explanation:

If nondisjunction occurs during meiosis 1, a pair of homologous chromosomes fail to separate, and one of the daughter cells will have the two chromosomes while the other cell will not get any chromosome from the pair.

If meiosis 1 occurs normally, but nondisjunction occurs in meiosis 2, sister chromatids fail to separate.  

The usual process of meiosis produces four daughter haploid cells (n) from a diploid germ cell (2n). Each daughter cell is haploid because they have half the number of chromosomes of the original one.  

If the diploid number of the original cell is 8 (2n=8), then under normal conditions, each haploid daughter cell should have 4 chromosomes (n = 4).  

But in the exposed example, one pair of homologous chromosomes experiences nondisjunction during meiosis I (in the attached file, you will recognize this pair as the red one). The other chromosomes separate as usual. So one of the daughter cells will have one extra chromosome than expected (five instead of four), and the other daughter cell will lack one chromosome (three instead of four). Meiosis II occurs normally. The final result is the formation of four gametes, two of them with 5 chromosomes, and the other two with 3 chromosomes each.

6 0
2 years ago
The kinetochore is a structure that functions to a. connect the centromere to microtubules. b. connect centrioles to microtubule
olchik [2.2K]

Answer:

Connect the centromere to microtubules. (Option A)

Explanation:

The kinetochore is known as the complex of protein which is disc shape in structure. The structure of kinetochore is divided into three parts: inner region, outer region, and fibrous corona. Each part of the kinetochore works in its own way in the separation of the sister chromatids.

During the process of cell division (mitosis, and meiosis) kinetochore collects on the centromere and allows the chromosome to link with microtubules.

8 0
3 years ago
Read 2 more answers
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Vladimir79 [104]

Answer:

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6 0
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Chromosome 11 is made over _ million base pairs
astraxan [27]

made over 135 million base pairs

8 0
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