Answer: Option D " all of the above "
Explanation: DNA can be a great source of information when used as a forensic evidence. This technique has many advantages and disadvantages when used as a source of information in case of crime.
Identical twins: There are some common fragments of DNA that is same in identical twins so it can be a difficulty in deciding the criminal.
Not enough of a sample: DNA should be present in a detectable amount to be used an sample for evidence, less than this detectable amount is a waste and cannot be used as a sample for evidence.
Contaminated and degraded sample: If the sample of DNA is contaminated or degraded then the result might be incorrect and might not be used as a sample for forensic evidence.
Hence, the correct answers are all of the above.
The number of protons in a neutral atom equals the number of ELECTRONS.
B.
<span>Pesticides prevent the destruction of crops.
Pesticides have their advantages and strong disadvantages. With the dawn of science, scientists have unearthed biochemicals that can eradicate a set of pests that constantly bombard and hoard plants which are one of the source of food for humans. </span>
Answer:
The environment cannot influence that trait.
Explanation:
Heritability refers to the measure of the differences in the gene of a person and how the genes are influenced by the environmental factors and controls the trait.
The heritability is counted between 0 to 1 which is counted on the measure of how the gene is influenced by the environment.
In the given if the heritability is very high that means close to 1 therefore it means the trait is controlled only by the genetics of the person and least influenced by the environmental factors.
Thus, the selected option is correct.
