Science

posted by .

Darwin based his theory of evolution by natural selection on his observations of the
a. genotypes of individuals.
b. phenotypes of individuals.
c. genotypes of populations.
d. phenotypes of populations.


Is this a or d?

  • Science -

    Darwin wasn't even aware of genotypes.

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. Biology

    Can anyone explain why natural selection works on phenotypes?
  2. Biology

    According to the Theory of Evolution, Natural Selection is the mechanism by which evolution occurs. Remember: evolution occurs at the level of the population. Individuals do not evolve, populations evolve. The process of Natural selection …
  3. Biology

    Darwin was able to formulate his theory of evolution based on several facts. Which of the following facts was unavailable to Darwin in the mid-nineteenth century?
  4. statistics

    Suppose that the proportions of blood phenotypes in a particular population are a follows: A = .42 B = .10 AB = .04 O = .44 Assuming that the phenotypes of two randomly selected indiviuals are independent of one another, what is the …
  5. biology

    Would you like to help me answers some of my questions in Biology?
  6. human Genetics

    3. The ABO blood type is controlled by a single locus, called I, with alleles IA, IB, and IO. These give rise to the blood type phenotypes, A, B, AB, and O. a. Suppose that parents know their phenotypes: the father is type AB and the …
  7. Biology

    3. The ABO blood type is controlled by a single locus, called I, with alleles IA, IB, and IO. These give rise to the blood type phenotypes, A, B, AB, and O. a. Suppose that parents know their phenotypes: the father is type AB and the …
  8. Science

    Can you check my answers for me? The answers I picked have a check mark next to them. Thank you. 1. Darwin’s theory of evolution by means of natural selection proposes that changes happen from generation to generation from ____________
  9. Biology

    check my answers? 1. What is the difference between Darwin's theory of evolution and Lamarck's theory of evolution?
  10. science

    What are the genotypes and phenotypes of monarch butterfly What are the genotypes and phenotypes of viceroy butterfly

More Similar Questions