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PtichkaEL [24]
3 years ago
13

Many communication services, such as Internet service and television channels, are provided through the use of satellites. Which

reasoning explains why satellites are useful for communication?
Satellite signals are not affected by the weather.

Satellite signals can be shut down during emergencies.

Satellite signals can reach a wider area than ground-based signals can.

Satellite signals are not affected by tall buildings, bridges, or other structures.
Biology
1 answer:
e-lub [12.9K]3 years ago
6 0

Answer:

Satellite signals can reach a wider area than ground-based signals can.

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Among dogs, short hair is dominant to long hair and dark coat color is dominant to white (albino) coat color. Assume that these
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Complete question:

Among dogs, short hair is dominant to long hair and dark coat color is dominant to white (albino) coat color. Assume that these two coat traits are caused by independently segregating gene pairs. For each of the crosses given below, write the most probable genotype (or genotypes if more than one answer is possible) for the parents. It is important that you select a realistic symbol set and define each symbol below.

 Parental Phenotypes                         Phenotypes of Offspring    

                                                            Short     Long   Short     Long  

                                                            Dark     Dark   Albino   Albino

(a)  dark, short × dark, long                26          24         0            0  

(b)  albino, short × albino, short          0            0         102        33  

(c)  dark, short × albino, short            16            0          16           0  

(d)  dark, short × dark, short               175         67         61          21

Assume that for cross (d), you were interested in determining whether fur color follows a 3:1 ratio. Set up (but do not complete the calculations) a Chi-square test for these data [fur color in cross (d)].

Answer:

(a) DDSs   x     DDss

     DDSs   x     Ddss

(b) ddSs   x     ddSs

(c)  ddSS   x     DdSS

     ddSs   x     DdSS

     ddSS   x     DdSs

(d)  DdSs     x       DdSs

-------------------------------------------

<em>Chi square = X² = ∑ ((O-E)²/E) = </em>((242 - 243)² / 243) + ((82 - 81)² /81) = 0.0164  

Explanation:

Due to technical problems, you will find the complete explanation in the attached files

Download pdf
4 0
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