Answer:
<em>The correct option is B) number of patients with brain tumors</em>
Explanation:
In a scientific experiment, an independent variable is a variable which is being changed by the scientist or changes naturally. The effect of the independent variable is studied on another variable which is termed as the dependent variable. Hence, the dependent variable can be described as the variable which is under study in a scientific experiment.
In the following scenario, as the effect of prolonged cell phones is being tested on causing brain tumors hence, the number of patients with brain tumors will be the dependent variable.
The statement that is true about homologous chromosomes of a pair is that homologous pair have the same genes at the same location (loci), but will possibly have different alleles.
<h3>What are homologous chromosomes?</h3>
Homologous chromosomes are set of chromosomes that possess similar but non-identical genes.
Homologous chromosomes are from each parent of an organism i.e. male and female parent.
The homologous chromosomes is responsible for the diploid state of an organism, however, it becomes separated during the anaphase 1 stage of meiosis.
Therefore, the satement that is true about homologous chromosomes of a pair is that homologous pair have the same genes at the same location (loci), but will possibly have different alleles.
Learn more about homologous chromosomes at: brainly.com/question/27258467
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B. Soil Contamination
All the other answers are talking about clean and pure things while this answer is the only negative one. So B is your answer.
The answer would be: <span>Make sure the landing page is closely related to the ad
</span>
To have high conversion rate, the landing page should give an accurate advertising that closely related to it. Increasing the budget will increase the conversion number, but not the rate. Increasing the CPC bid or broaden the list of keyword won't increase the conversion rate either.
Answer:
Frequency of allele A1- 0.41
Explanation:
In Hardy weinberg equilibrium,
P refers to the dominant allele
q refers to the recessive allele
The allele frequency will be p+q=1
The genotypic frequency is- P²+q²+2pq=1
P²= genotype of dominant trait ( A1A1)- 77
2pq= genotype of heterozygotes (2pq)- 65
q²= genotype of recessive trait (A2A2)- 123
Total number of offsprings= 77+ 65+ 123
= 265
Now to calculate allele frequency of A1=
= 77/265 + 1/2( 65//265)
= 0.290+ 0.122
= 0.413
Thus, 0.41 is correct.
