In a tissue-culture lab, a scientist prepared somatic embryos of a banana. he wants to induce root development. which hormone type should he apply to achieve this?

cytokinins

gibberellins

ethylene

Cytokinins

Explanation:

Cytokinins are a class of phytohormones found in large quantities in the root apex, leaves, fruits and seeds. It is noteworthy that the main site of synthesis is in the roots, where they promote root development. Once synthesized in the root apex, this hormone is known to migrate to other parts of the plant via xylem, where it participates in the breakdown of apical dominance, proves cell division, among other functions.

d. in sexual reproduction, offspring have more chromosomes than

either parent.

asexual reproduction results in offspring which are genetically the same as the parent organism (not counting a rare mutation). sexual reproduction produces a random mixture of the genetics derived from both parents

explanation:

he forelimbs below belong to four species that descended in a direct line from the ancestral mammal shown above. of the four descendants shown, which species most likely appeared earliest in evolutionary history?