What are four resources that can be obtained from the ocean?

Why is it important to reduce the number of chromosomes in half when forming gametes for sexual reproduction?

What do nitrifying bacteria convert

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