Answer:
Offspring of two different true-breeding varieties are called hybrids.
Explanation:
Pure-breeding plants are plants that self pollinate for many generations and all its offspring had the same features as the parents, generation after generation.
When Mendel cross pollinate this pure-breeding plants with contrasting traits, the offspring is called hybrids because they resulted from a cross between two pure-breeding plants with contrasting traits.
They both deal with diseases just that pathogens cause disease while antibodies fight against disease
Answer:
A. three of them would belong to blood group B
Explanation:
In a punnet square it would result in:
B b
B BB Bb
b Bb bb
the answer for the first one is B
and the second is B