Si se cruza una vaca de piel con manchas heterocigota, sin cuernos, con un toro de piel con manchas homocigota con cuernos heterocigota.
La ausencia de manchas y de cuernos se presenta en estado recesivo.
A. Cuál es la probabilidad de obtener un ternero sin manchas con cuernos?
B. Cuál es la posibilidad de obtener un ternero con manchas y cuernos?
C. Cuál es la posibilidad de obtener un ternero sin manchas ni cuernos?
D. Cuál es la posibilidad de obtener un ternero con manchas sin cuernos?

The answers to these questions are the following:

A- The chances to have a spotless animal with horns is 0 % because the father is a spotted animal (homozygous) and this trait is dominant

B- The chances to have a spotted animal with horns is 75 % because the father has horns (heterozygous) and this trait is dominant

C- The chances to have a spotless animal without horns is 0 % because the father is a spotted animal (homozygous) and this trait is dominant

D-The chances to have a spotted animal without horns is 50% because the father has horns (heterozygous) and this trait is dominant

i got you i did it ya know what it is just needing to fill this in for a quick task!

these muscles maintain the blood pressure in the vessels. the smooth muscles are innervated by nerves of the autonomic nervous system. when the muscles contract, they cause vasoconstriction of the vessels and increase blood pressure. when the muscles relax, they enable vasodilation of the   blood vessels hence reduce blood pressure.