An amniocentesis or amniotic fluid test has identified a defect on the short arm of the 21st pair of chromosomes in a developing embryo. it is likely that this child will have

Trilobal fibers were found on kidnapping victim. which of the following fibers would most likely to be trilobat? a. cotton b. nylon c. wool d. silk me

Rachel ate a piece of fruit and happened to drop the seeds in her backyard. after a few weeks, she saw a small plant with flowers growing in the backyard. which group does this plant belong to? a. angiosperms b. gymnosperms c. pteridophytes d. bryophytes e. chytrids

14) whenever diploid populations are in hardy-weinberg equilibrium at a particular locus a) the allele's frequency should not change from one generation to the next, but its representation in homozygous and heterozygous genotypes may change. b) natural selection, gene flow, and genetic drift are acting equally to change an allele's frequency. c) this means that, at this locus, two alleles are present in equal proportions. d) the population itself is not evolving, but individuals within the population may be evolving.