In a certain plant species, the allele for yellow seeds (y) is dominant to the allele for green seeds. what is the phenotype result of a cross between a true-breeding yellow-seeded group of plants and a true-breeding green-seeded group of plants? a. all yellow seeds; no green seeds b. all green seeds; no yellow seeds c. 1/4 green seeds; 3/4 yellow seeds d. 1/4 yellow seeds; 3/4 green seeds @pinkfloyd

the father in the first generation probably had the recessive colorblind trait in his x chromosome. if he and his wife both had the colorblind trait, even if she had 1 recessive and 1 dominant, then that trait would be passed on to their kids.

(since you didn't attach the family tree this is just an assumption)

thrombocytopenia, which is a deficiency in blood platelets, can cause bleeding and bruising in the dermis similar to senile purpura. other possible causes include: exposure to ultraviolet rays and aging skin are common causes of senile purpura. senile purpura may also be a sign of collagen loss in the skin and bones.