What if all the blood vessels were of the same size? pls tell fast will mark brainliest

That depends how big they are.

Explanation:

If they were all the same as vessels in the legs, blood pressure wouldn't be high enough for vital organs.

If they were all the same of vessels in the heart, it'd be very easy to lose extreme amounts of blood upon being cut.

There are probably more complications that I haven't considered.

i think a) betsy can donate only blood to mark is correct because, mark and betsy have the same blood type. whereas nobody else has b+ blood so betsy can't donate to them.

ans.

gregor john mendel is known for study of inheritance in pea plants. he used garden pea plant for his study, having alternative traits for various characters. he performed cross-breeding in pea plants to check how characters are transmitted between parents to offspring, such as cross between pure tall and pure dwarf plant. mendel studied the inheritance patterns in pea plants for various generations.

thus, the correct answer includes options and f).