Which statement is true about allele frequencies in a population? Question 4 options:

The frequency of two alleles for a single trait add up to 1

Lethal alleles are quickly removed from populations

The frequency of alleles for one trait (such as hair color) helps determine the frequency of other trait alleles (such as number of fingers)

The frequency of dominant alleles is always greater than the frequency of recessive alleles

the 2nd and 1st statement is correct about frequencies in a population

The frequency of two alleles for a single trait add up to 1

Explanation:

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the correct answer is: b. pantala flavescens, because these organisms would have a high level of genetic variation due to sexual reproduction.  

because involves two organisms (parents) whose genetic material combines, sexual reproduction leads to genetic variation in new generations of offspring. the offspring is an unique organism, with new genome, more protected with the higher ability to adapted. this process is fundamental to evolution.