Can someone tell me how to do this and how to find the answer?

in one kind of butterfly, brown color is caused by a dominant allele, b, and a white color is caused by a recessive allele, b,. the table shows the observed numbers of phenotypes in a population of 100 butterflies.

of individuals
brown 84
white 16

what is the frequency of the heterozygous genotype in this population of butterflies?
a: 0.24
b: 0.36
c: 0.48
d: 0.60

How many copies of each chromosomes should be present in each of the 4 final haploid versions of gamete?

The phylogenetic tree illustrates the relationship between humans and our closest living relatives. the tree was based on biochemical comparisons, including dna and amino acid sequences. according to the biomolecular data, we could infer that a) the four organisms do not have a common ancestor. b) humans are more closely related to chimps than any other apes. c) chimps are more closely related to gorillas than they are to humans. eliminate d) there is no evidence if any relationship between the four branches on the tree.

Name the organs of humanelemintary canal.