Which statement about sex-linked traits is true? -sex-linked traits are always dominant. -sex-linked traits only occur in heterozygous allele pairs. -sex-linked traits may be passed from parent to offspring on either the x chromosome or the y chromosome.

Plz genetic engineering can be applied to many fields including medicine and agriculture. which of the following is a medical application of genetic engineering? a. giving crop plants recombinant dna so that they would be resistant to herbicides. b. examining a persons pedigree to determine whether they can carry a gene for a genetic disease. c. analyzing a persons dna to see how closely they are related to another person. d. certain genes into bacteria so that they will produce a needed medicine.

Immature bone cells, or osteoblasts, manufacture a protein called osteoid as well as several hormones. because of this, we would expect osteoblasts to contain numerous a) nuclei. b) ribosomes. c) lysosomes. d) golgi bodies.

The image below shows a weather service map. which details best describe this map? check all that apply