Which of the following weathering processes involves the constant freezing and thawing of water ? a. unloading b. frost wedging c. exfoliationd. spherical weathering

As a small change in a person's dna can cause a genetic disorder

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.

Matched chromosomes carrying information about the same characteristics in the organism are called