Answer: corpus luteum secretion
Explanation:
<span>your answer ..is sea lilies </span>
1. all living things are made up of one or more cells.
2. cell is the simplest unit
3. all cells come from other living cell.
Black color (B) and practising gait (t) horse has a genotype BBtt
Chestnut color (b) and trotting gait (T) horse has a genotype bbTT
<span>Crossing BBtt x bbTT
</span> <span>The genotype of the offspring is going to be
BbTt, which means that the phenotype is black color and trotting gait horse.</span>