the gene for a widow's peak is dominant. a child inherits genes with the genotype: ww and ww. what are the chances that he will have a widow's peak?

25% chance
50% chance
75% chance
100% chance

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.

How far down have geologists drilled holes ? (science) a: 3.8 km b: 12 km c: 100 m d: 1200 km

Explain in your own words what caused pangea to separate and why we don't worry about earthquakes in florida.