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Answer: The frequency of brown beetles is 0.32.
Explanation: The frequency of A1 allele is 0.8. As p+q=1, or the sum of dominant and recessive frequencies equals 1 or 100%:
1 - 0.8 = 0.2
In Hardy-Weinberg principle,

2pq represents the frequency of heterozygote individuals, so:
genotype A1A2 = 2*0.8*0.2 = 0.32.
Thus, the frequency of brown beetles (A1A2) in the population is 0.32. 
 
        
             
        
        
        
Answer:
the relationship between genes, proteins, and traits a gene codes for a particular protein that is involved in the expression of a trait
Explanation:
characteristics determined by single genes are called Mendelian traits
 
        
             
        
        
        
Gene duplication, mutation, or other processes can produce new genes and alleles and increase genetic variation. New genetic variation can be created within generations in a population, so a population with rapid reproduction rates will probably have high genetic variation.
        
                    
             
        
        
        
D- weight is a measure of the force of gravity on objects