The process of making changes in the dna code of a living organism is called
a. selective breeding.
c. inbreeding.
b. genetic engineering.
d. hybridization

Aperson travels 35 km in 0.4hrs, followed by 53 km in 0.6 hr. what is the average speed

Fan egg cell containing the (n+1) number of chromosomes combines with a sperm cell containing the (n) number of chromosomes, what is the result of this union? a) all future somatic cells of the organism will contain the (2n + 1) number of chromosomes. b) all future somatic cells of the organism will contain the (2n - 1) number of chromosomes. c) only certain somatic cells of the organism will contain the (2n + 1) number of chromosomes. d) all future somatic cells of the organism will contain the normal diploid number of chromosomes.

Which sequence correctly shows the path of carbon dioxide during repiration?