When Sarah performed this experiment, she changed the levels of nitrogen in order to observe the changes in the morphological features of the plant.
All of the characteristics of the plant that she observed were dependent on multiple different things, but the level of nitrogen was an independent variable that she was changing at her will.
Answer:
This question is incomplete
Explanation:
This question is incomplete.
However, lions have 38 chromosomes (19 pairs) and <u>there cubs get their chromosomes from there parents</u>; with each parent donating 19 each. They also have a pair of chromosomes known as sex chromosomes (X and Y). The female always donates the X chromosome and the male donates either a X (which leads to a female cub) or a Y (which leads to a male cub), just like in many mammals.
NOTE: Chromosomes are threadlike structures in the nucleus of a cell that carry/stores genetic materials/genes.
Answer:
separation of sister chromatids
Explanation:
In drosophilia, the gene for eye color is located on the x chromosome.
