Ribosomes and mitochondria
Answer:
Heart disease is a non communicable disease because it does not happen due to any virus or bacteria.
Explanation:
Diseases caused due to virus and bacteria are mostly communicable. Heart Disease is caused due to poor supply of nutrients in hearts.
Heterozygous means 2 different zygotes. Since Smooth kernels are dominant, Zygotes KK and Kk will be smooth and kk will be wrinkled.
If you were to set up a Punnett Square chart like:
K k
K (KK) (Kk)
k (Kk) (kk)
the ratio for smooth to winkle would be 3 : 1
Which Will be 75% Smooth and 25% Wrinkle