What does halving mean in biology?

Which of the following statements is true? a. there are more chromosomes in an organism than there are genes. b. there are more genes in an organism that there are chemical bases. c. dna is made of sugar, phosphate, and carbon. d. genes are found in specific locations on a chromosome.

In cattle a single gene with two alleles determines fur color the fur can be red white or roan roan fur has both red and white hair which of the following statements is true a the allele for roan fur color is dominant over red and white fur color b the allele for red fur color is dominant over white and roan fur color c the roan and white alleles are expressed independently of the other d the red and white alleles are expressed independently of each other

Which statement is true for all sexually reproducing plants and animals? the process of mitosis produces gametes. the process of mitosis always produces diploid cells. the process of meiosis produces gametes. the process of meiosis produces haploid cells. the process of meiosis produces diploid cells.