Which of these is the human body's first line of defense against invading pathogens such as bacteria and viruses? a) body temperature b) macrophages c) skin cells d) vitamins

In pea plants, yellow seed color (y) is dominant and green seed color (y) is recessive. based on the punnett squares, what are the chances that the offspring in the second generation will have green seeds? first generation y y y yy yy y yy yy second generation y y y yy yy y yy yy there is a % chance that the offspring will have green seeds.