The expression which is the correct way to calculate the frequency of the dominant allele is 134/200. Thus, the correct option is D.
<h3>What is Allelic frequency?</h3>
The allelic frequency may be defined as the sum total of all the alleles of a gene in a population. It represents the overall genetic diversity within a population.
The allelic frequency is calculated by the formula when the genotypes are given in number. It is as follows:
2 × Number of Purebred dominant + Number of heterozygous/ 2× Total number of individuals in a population.
∴ Allelic frequency of dominant allele = 2 × 50 + 34/ 2× 100 = 134/200 = 0.67.
The allelic frequency of the Dominant allele is 0.67 while the allelic frequency of the recessive allele is 0.33.
Therefore, it is well described above.
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Answer: Nucleus
Explanation: The word hereditary refers to genes that are passed on from one generation to the next. All genetic information is stored inside the nucleus of cells in the form of DNA.
Answer:
The wise use of crop genetic diversity in developing improved crops can contribute significantly to protecting the environment. Crop varieties that are resistant to pests and diseases can reduce the need to apply harmful pesticides. More vigorous varieties can better compete with weeds, reducing the need for applying herbicides .
Explanation:
<span>Trisomy is a condition in which a person's cells
have three chromosomes in a single set. Normally, a person's chromosomes come
in pairs and humans have 23 pairs of these chromosomes (46 in total).
When a person has a trisomy disorder, an additional chromosome is found in one
of the pairs of chromosomes. When this happens the individual has a total of 47
chromosomes in his cells. Down syndrome, Edward syndrome, and Patau syndrome
are the most common gene abnormalities caused by trisomy disorder.</span>
