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I am Lyosha [343]
2 years ago
15

A student decides to set up an experiment to see if detergent affects the growth of seeds. He sets up 10 seed pots. 5 of the see

d pots will receive a small amount of detergent in the soil and will be placed in the sun. The other 5 seed pots will not receive detergent and will be placed in the shade. All 10 seed pots will receive the same amount of water, the same number of seeds, and the same type of seeds. He grows the seeds for two months and charts the growth every 2 days. What is wrong with his experiment?
A) There is no appropriate control
B) There is no way of measuring the outcome
C) More than one variable is being tested
Biology
2 answers:
Trava [24]2 years ago
8 0

Answer:

The correct answer is option C) "More than one variable is being tested".

Explanation:

One of the basis of scientific experimentation is to test one variable at the time in order to make sure that the response that is being obtained is the result of that variable and not another one that is not taking into account. In this case, the student is making the mistake of assessing two variables at the same time: the use of detergent and placing the plant in the sun or in the shade. At the end of the experiment the student will not know if the response is the effect of the detergent, the exposure to the sun or a combination of both.

artcher [175]2 years ago
7 0

Answer:

C) More than one variable is being tested

Explanation:

 In the experiment several variables are being studied, such as the influence of detergent on seeds and the intervention of the sun or shade on seeds with or without detergent. It should be both groups of seeds in the sun or both groups in the shade.

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How does random fertilization add to the genetic variation?
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<span>Random fertilization adds to the genetic variation thanks to B)Fusion of sperm and ovum, each having a unique combination of chromosomes, introduces further variation. Fertilization is a process of fusion of sperm and ovum. In a random fertilization, it is expected that sperm and ovum each have a unique combination of chromosomes. Thus, the created zygote will have a unique combination of chromosomes which introduces variation.</span>
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3 years ago
Directions: Consider a pedigree that is tracking an autosomal recessive trait, where two recessive alleles (tt) result in the in
Talja [164]

Answer:

I think this should be the chart you were interested in...

Explanation:

                                          Individual             Shape in              shaded

                                          phenotype           pedigrees

Male with gen. TT             PTC taster             square                No

Male with gen. Tt              PTC taster             square                No

Male with gen. tt               Non-taster             square                Yes

Female with gen. TT        PTC taster              Circle                  No

Female with gen. Tt         PTC taster              Circle                  No

Female with gen. tt          Non-taster              Circle                 Yes

*gen- genotype

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2 years ago
13. Which statement below about the periodic table is true?
seropon [69]

Answer yeah

Explanation:

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The leaves of a sensitive plant close whenever any part of the plant is touched because of a???
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borishaifa [10]

An individual having two different alleles of a specific gene is described as being Heterozygous for that specific trait.

You have a heterozygous genotype for that gene if the two versions differ. Being heterozygous for hair color, for example, means you have one allele for red hair and one allele for brown hair. The interaction of the two alleles influences which traits are expressed.

Being homozygous for a gene means you inherited two identical copies. It is the inverse of a heterozygous genotype, in which the alleles differ. People with recessive characteristics, such as blue eyes or red hair, are always homozygous for that gene. In genetics, heterozygous means having inherited different versions (alleles) of a genomic marker from each biological parent. As a result, a person who is heterozygous for a genomic marker has two distinct versions of that marker.

To learn more about Heterozygous, here

brainly.com/question/451365

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