Answer is c.
Warm air rises, cools and causes rain and thunderstorms
Warm air rises!
chromatids
When chromatids "cross over," homologous chromosomes trade pieces of genetic material, resulting in novel combinations of alleles, though the same genes are still present. ... Recall that the point of crossing over is to increase genetic diversity.
Answer:
Chloroplasts
Explanation:
Chloroplasts absorb sunlight and use it with water and carbon dioxide to make food.
Answer:
There is no effective cure.
the disease is caused by a single defective gene on chromosome 4.
the disease causes a breakdown of nerve cells in the brain.
as early as age 2 or as late as 80. but usually 30 and 50.
molecular analysis, i don't know the last words sorry