In his experiment mendel first crossed tall and short peas plant and noticed that the F1 plants were all tall. in the second experiment he crossed the the F1 plants and noticed that short plants reappeared in the rate of 25% in F2 generation. in his third experiment he crossed he crossed F2 plants and noticed that when he crossed some tall plants with the shot plants the F3 generation contained short plant in frequency of 50%. after this observations mendel concluded that there were genes that could be only expressed in homozygous state but not in heterozygous state. these genes were later referred to as recessive alleles wheres the genes that prevented the expression of recessive genes were later referred to as dominant genes.
Answer: Carbon Dioxide and other green house gasses
Explanation:
The Earth's aveerage temperature will increase.
I hope this help but the metalloids is gruop five if that what your asking if not i will answer the other question for you
Sex<span> is determined by two chromosomes, X and Y. A female is XX, a male is XY. Since women completely lack the Y choromosome, they always contribute an X chromosome to the baby. The </span>sex<span> is determined by whether the sperm that fertilizes the egg is carrying another X or a Y.</span>