During a cell division cycle, chromosome segments from two homologous chromosomes exchange places. Which result is most likely to occur following this
cycle?
A. Genetic material will be lost
B. The number of chromosomes will increase
C. The total number of genes in the cell will decrease
D. A change in gene location will occur on both chromosomes

Plzz hurry im being timed during times of vigorous physical activity, muscles require a constant supply of oxygen. how does the body respond to these needs? a. breathing rate and heart rate both decrease. b. breathing rate and heart rate both increase. c. heart rate decreases, but breathing rate remains stable. d. breathing rate increases, but heart rate remains stable.

What are some possible short and long term medical concerns for crew members on longer space exploration trips

How does human environment effect the biosphere