Which statement best describes a characteristic of a scientific theory?

supported by mathematics to explain a principle of nature

a readily demonstrable fact, which cannot be disproven

an educated guess that can be consistently testable

supported by a substantial body of evidence observed in nature

Awire-hair terrier and a smooth-hair terrier are mated. the offspring produced are 6 wire-hair puppies and 2 smooth-hair puppies. a. what pattern of inheritance best describes this situation? b. what is the genotype(s) of the wire-haired puppies? of the smooth-haired puppies? c. what would be the expected genotype and phenotype ratios of a mating between 2 wire-haired terriers that are heterozygous?

If the nucleus of a cell was removed the cell wouldn’t be able to make proteins because

If a human has 23 pairs of chromosomes in every muscle cell of its body how many chromosomes will be in a human egg or sperm