What elements has the same number of valence electrons as aluminum

Astudent poured a solution of bromothymol blue indicator into three test tubes. then he placed an aquatic plant in two of the test tubes, as shown below. he placed a stopper on each test tube and placed them all in the dark for 24 hours. bromothymol blue turns from blue to yellow in the presence of co2

Which claim correctly describes how genes can produce a phenotype? one gene is responsible for all traits. each trait is determined by a single gene. one gene can be responsible for many traits. each gene is responsible for exactly one trait.

Which of the following situations are occurring when a red flower (rr) and a white flower (ww) produce a pink flower? a. multiple alleles b. incomplete dominance c. codominance