The answer is pheromones. Hope that helps :)
Answer:
sex cells with 23 chromosomes: 22 autosomes and one sex chromosome.
Explanation:
Sex cells are the gametes and are products of meiosis. These cells have haploid chromosome number. Human sex cells are sperms and egg which serve as male and female gamete respectively. Human sex cells have n = 23 chromosomes. Out of total 23 chromosomes, 22 chromosomes are autosomes while one is the sex chromosome (either X or Y chromosome). Deviation from this pattern can cause any genetic disorder.
Plants respond immediately to the gravitational attraction of the Earth as well as to light. Stems develop away from the center of the Earth and toward the light due to negative gravitropism.
<h3>What is negative gravitropism?</h3>
Negative gravitropism occurs when shoots develop in the opposite direction of gravity toward sunlight.
Plants respond immediately to the gravitational attraction of the Earth as well as to light. Stems develop away from the center of the Earth and toward the light due to negative gravitropism.
Thus, the given experiment shows negative gravitropism.
For more details regarding gravitropism, visit:
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The is answer is:
1. first to document careful observations of different cell types