Answer quick a particular allele in mice is lethal in homozygotes. heterozygotes, however, develop normally. why does this allele remain in the population? a) homozygous mice pass the allele to their offspring b) the recessive allele is masked in heterozygotes c) natural selection selects for the homozygous individual with normal alleles d) natural selection selects against the heterozygous individual

In which case would a scientist choose to use a dissecting microscope rather than a compound microscope

Which best describes meiosis? a. it produces cells that are identical to the original cell b. it is responsible for the replacement of damaged skin cells c. it is responsible for growth of the organism d. it produces male and female sex cells

Which of the following matches the organisms described with the correct domain? a. archaea--multicellular, eukaryotic organisms that do not have cell walls b. eukarya--single-celled and multicellular organisms, with a defined nucleus and a variety of nutritional sources c. bacteria--unicellular, eukaryotic organisms with cell walls that do not contain peptidoglycan d. bacteria--unicellular, eukaryotic organisms that always lack cell walls