5. suppose a dominant allele (n) codes for a big nose and a recessive allele (n) codes for a small nose. imagine that an organism receives a dominant allele from its mom and a dominant allele from its dad. what can be determined about its genotype and phenotype?

Whats one way that rocks do not follow the typical rock cycle pathway?

In general, are there any major differences that you can see? explain

Which of the following statements is true about the relationship between genetic variation and natural selection? a. genetic variation must be present in a population before natural selection can act on it. b. genetic variation arises in a population as a result of natural selection. c. natural selection can act on a population whether there is genetic variation within the population or not. d. after natural selection acts on a population, the amount of genetic variation in the population always increases.