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-Dominant- [34]
4 years ago
7

2. Is it common for natural populations to be in Hardy-Weinberg equilibrium? Explain

Biology
1 answer:
SOVA2 [1]4 years ago
5 0

Explanation:

According to Hardy Weinberg, the gene and allele frequencies for a population should ideally remain unchanged (stable) over generations. However, assumptions by Hardy Weinberg for a population to be at equilibrium can hardly be held true, naturally. This is because;

  1. There is always some form of immigration and emigration within a population
  2. A population can hardly be infinitely large
  3. Mutations do occur in populations
  4. In some occasions, mating within the population may not be random
  5. Natural selection is always at play within populations

Learn More:

For more on Hardy Weinberg equilibrium check out;

brainly.com/question/14331481

brainly.com/question/3406634

#LearnWithBrainly

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Write the complementary sequence for the following DNA sequence, in order from 3' to 5': 5′−CGATATTGAGCTAAGCTT−3′ Use all capita
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Answer:

3'-GCTATAACTCGATTCGAA-5'

Explanation:

The DNA is a macromolecule formed by two strands of polynucleotides forming a double helix.

These chains are composed of monomers called nucleotides, there are 4 different types in DNA, called nitrogenous bases: two purines, guanine (G) and adenine (A) and two pyrimidines, thymine (T) and cytosine (C). They are joined by covalent bonds in each chain.

These bases are complementary: G with C, and A with T between the two strands by hydrogen bonds making the double-stranded DNA molecule.

A sequence 5'-CGAT-3' is equivalent to a sequence written 3'-ATCG-5' , because the 5' and 3' notation defines the direction of reading. If one strand is noted 5' to 3', then the complementary strand will be from 3' to 5' in the same sense.

So, all we need to do is write the complementary bases from the 3' end to 5':

5'-CGATATTGAGCTAAGCTT-3'  

3'-GCTATAACTCGATTCGAA-5'  (answer)

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