Salut j'en ai besoin c'est pour 17h svt

What causes darkening of the skin as melanin production increases

What best explains the inability for life to exist in earth early atmosphere

In tomato plants, mendel found that the allele for smooth seeds (s) is dominant, while the allele for wrinkled seeds (s) is recessive. which of these punnett squares shows crosses between two plants heterozygous for smooth seeds? i need this to be answered as soon as ! sry the picture is bad quality