Ian would take DNA samples from the inside of the suspects' mouths if he were asked to swab their buccal surfaces.
Identification and comparison are the two techniques forensic scientists utilize when assessing tangible evidence. Determining a substance's physical or chemical identity is the process of identification. Finding out whether two or more objects have a common origin is done through comparison.
In regard to matching, DNA analysis is comparable to fingerprint analysis. The evidence gathered at the crime scene is contrasted with a "known" print or sample when a suspect is identified using DNA or a fingerprint.
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The statement that correctly describes the stage in cell division shown in the image is the cell is in telophase II of meiosis because the cell is separating and contains two copies of each chromosome. The correct option is D.
The process by which new cells are created from more mature cells is known as cell division. Each and every eukaryotic cell engages in this process. There are various steps in the procedure. Every component of the cell is split into two during the process, which results in the creation of a duplicate of the original cell.
Telophase is the last stage of cell division. In this stage, the material in the cell is divided and in this step, the plasma membrane divides and separates the two cells.
Thus, the correct option is D. the cell is in telophase II of meiosis because the cell is separating and contains two copies of each chromosome.
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Answer:d
Explanation:
Answer: The law of mass action suggests that the rate of a chemical reaction is directly proportional to the product of the masses of the reactants. In this, each mass is raised to a power, which is equivalent to the coefficient of that reactant in the chemical reaction.
For example- For the chemical reaction-
aA + bB → C + D
Rate of the reaction α [A]ᵃ [b]ᵇ
Rate of the reaction = k [A]ᵃ [b]ᵇ
where, k = rate constant
a+b = order of the reaction.
The benefits of wildfires in grasslands and northern forests are similar - b. increased food production for grazers
Wildfires affect the ecosystem by
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Answer: Gene
Explanation:
Mutation can be defined as the change in the single base pair of the DNA. Each and every trait inside an eukaryotic organism body is controlled by the help of the gene.
Pie bald is also a trait controlled by the genes in the body. Pie bald can be defined as a pattern of unpigmented spots on the pigmented background of scale, feather and hair.
Example: A pie bald black and white dog is a black dog with white spots on it.
Natural selection is the primary process that drives Darwin's theory of evolution, the correct option is a.
Darwin's theory of evolution is primarily driven by the process of natural selection. Natural selection is the mechanism by which certain heritable traits become more or less common in a population over successive generations. It occurs due to the differential reproductive success of individuals with advantageous traits that are better suited to their environment. Individuals with beneficial traits are more likely to survive and reproduce, passing on their advantageous traits to their offspring.
Over time, this leads to the accumulation of favorable traits within a population, while less advantageous traits become less prevalent. Natural selection is driven by various factors, including environmental pressures, competition for resources, and adaptation to changing conditions. It is a key driving force behind the diversity and adaptation of species observed in the natural world, the correct option is a.
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The complete question is:
Which process drives Darwin’s theory of evolution?
a. Natural selection
b. Genetic drift
c. Lamarckism
d. Mutation