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Serga [27]
3 years ago
12

Many coastal communities oppose the proposal to set up tidal plants, even though they recognize that the solution to the current

energy crisis could be tidal power. Which of these statements best describes the possible impact of using tidal power on these communities?
It may generate waste.

It may cause alteration of tides.

It may generate harmful emissions. (Not this)

It may take up recreational space.
Biology
1 answer:
Leni [432]3 years ago
4 0

Answer:

Knowing others is intelligence; knowing yourself is true wisdom. mastering others is strength; mastering yourself is true power. if you realize that you have enough, you are truly rich, "And the cause of not following your heart, is in spending the rest of your life wishing you had."

Explanation:

I need points so SORRY!

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In ovaries, the final products of meiosis are
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In ovaries, the final products of meiosis are. A) haploid cells.

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1. Frost wedging, root wedging, exfoliation, abrasion, and thermal
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weathering

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Consider a cross between a plant with two flower colors, yellow and red. Yellow (Y) exhibits complete dominance over red (y). It
Aneli [31]

Answer:

1) option a is correct. (260+270)/1545

<em>(Note about this option: In the statement, it is written as </em><em>(260+270) 1545. </em><em>Lacks the division symbol, </em><em>/ </em><em>)</em>

2) From these results one can conclude that the two genes are linked (option a)

Explanation:

To know if two genes are linked, we must observe the progeny distribution. If heterozygous individuals, whose genes assort independently, are test crossed, they produce a progeny with equal phenotypic frequencies 1:1:1:1. If we observe a different distribution, phenotypes appearing in different proportions, we can assume linked genes in the double heterozygote parent.  

We might verify which are the recombinant gametes produced by the di-hybrid, and we will be able to recognize them by looking at the phenotypes with lower frequencies in the progeny. Phenotypes with the highest frequencies represent the parental gametes.

To calculate the recombination frequency, we will use the following formula: P = Recombinant number / Total of individuals.  

In the present example:

Parental)        YySs                        x                 yyss

Gametes)  YS parental type                        ys, ys, ys, ys

                 ys parental type

                 Ys recombinant type

                 yS recombinante type

The total number of individuals in the offspring: 1545

Phenotypic class Number of offspring  

  • 500 Y-S- (parental)
  • 515 yyss (parental)
  • 260 Y-ss (recombinant)
  • 270 yyS- (recombinant)

According to this information, the phenotypic frequencies of the progeny differ from the phenotypic ratio 1:1:1:1. We can assume then, that t<u>hese genes are linked. </u>

The recombination frequency is:

P = Recombinant number / Total of individuals

P = 260 + 270 / 1545

P = 530/1545

P = 0.343

The genetic distance between genes is 0.343 x 100= 34.4 MU.

6 0
3 years ago
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