17. A color-blind woman has a color-blind brother, and their mother has normal color vision. With reference to color vision, what is the genotype of both their parents? If the brother marries
a woman with the same genotype as his mother, what kind of color vision will their daughters
and sons have, and in what ratios?

Fan egg cell containing the (n+1) number of chromosomes combines with a sperm cell containing the (n) number of chromosomes, what is the result of this union? a) all future somatic cells of the organism will contain the (2n + 1) number of chromosomes. b) all future somatic cells of the organism will contain the (2n - 1) number of chromosomes. c) only certain somatic cells of the organism will contain the (2n + 1) number of chromosomes. d) all future somatic cells of the organism will contain the normal diploid number of chromosomes.

Look at the photo of the leaf. which term best describes this leaf?

What is the difference between a scientific hypotheses and a scientific theory?