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murzikaleks [220]
3 years ago
14

A travel-time graph can be used to find the ____.

Biology
1 answer:
Maurinko [17]3 years ago
8 0
The distance to the epicenter of an earthquake.
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Which of the following genotypes could be described as homozygous dominant? A.Bb B.AA C.Xx D.tt
nadezda [96]
The answer is B. AA
Homozygous- it has two of the same allele
Dominant- the alleles are represented with a capital letter
3 0
3 years ago
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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
Which of the following describes a community.
Sonja [21]
C
A community is a group of animals that coexist in the same environment
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3 years ago
Three characteristics or questions that can be used to classify governments
Sedaia [141]
Central government.state government control
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3 years ago
Which statement is true?
astraxan [27]

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D. gene expression and protein synthesis can be considered the same thing

Explanation:

:)

7 0
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