Aparticular population of chickens has a frequency for the dominant allele as 0.70 and a frequency for the recessive allele as 0.30. which expression is the correct way to calculate the frequency of individuals that are heterozygous?

true                                                                                                       true true true true true true

evidence and logical support is essential for a scientist to do in order to maintain credibility. this is because no one can believe without any logic and without any evidence.hence a scientist can maintain credibility by proving himself and by answering logically so experiments prove very beneficial. logical hypothesis give conclusion which is acceptable. therefore, there are two main factors to maintain credibility by a scientist is evidence and logical support.