All of the progeny from a testcross were observed, and it was noted that out of a total of 500 progeny, 100 showed a particular recombinant phenotype. This indicates that the recombination frequency between the two genes involved isa. 10%.
b. 20%.
c. 50%.
d. 100%

Drag each tile to the correct box. the body monitors the levels of oxygen in the blood to regulate breathing. isabel is running in a marathon and is near the finish line. she feels out of breath. how will her nervous system work to generate a reaction? arrange the tiles in chronological order. isabel's breathing rate increases. sensory receptors in the arteries detect low oxygen levels. the brain sends signals through motor neurons. sensory neurons generate an impulse. the central nervous system relays an impulse to certain brain regions.

Si units are the modern form of the

Which statement is true for all sexually reproducing plants and animals? the process of mitosis produces gametes.the process of mitosis always produces diploid cells.the process of meiosis produces gametes.the process of meiosis produces haploid cells.the process of meiosis produces diploid cells.