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eye color is determined by genetic combination. let r represent the gene for brown eyes and
i represent the gene for blue eyes. any gene combination including r results in brown eyes.
consider the offspring of a parent with a homozygous brown-eyed, rr, gene combination and a
parent with a heterozygous brown-eyed, ri, gene combination.
show how you could use a polynomial to model the possible genetic combinations
of the offspring.

  (R +R)(R +I) = RR +RI +RR +RI

Step-by-step explanation:

Polynomial multiplication will give all pairings of a gene from one parent with a gene from the other parent:

     (R +R)(R +I) = RR +RI +RR +RI

Each binomial represents the genes one parent may contribute to the mix. Each product term represents one possible offspring's set of genes.

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Assuming each possibility is equally likely, the probability is 2/4 = 50% that the offspring will be heterozygous.

answer:  

step-by-step explanation:

here x represents the height of the pole,

and, the height of the shadow of the pole is 12 feet.

also, the angle of elevation from the top of the pole is 40°,

therefore,

by the low of sine,

which is the required equation for finding the value of x,

-6 is the correct option from the above given options