D)crossing over of homologous chromosomes during meiosis.
The mating is the first event that happens in the development of a new organism because you may have A lion and a word you know that's not possible that would be a possible new organism that have not been formed yet but the mating would be the first thing that would happen
Answer:
Recombinant DNA can replace a gene in an animal’s genome.
Explanation:
The molecular cloning process involves in creating Recombinant DNA. This DNA is used to replace or replicate any specific gene. This is done by the process of PCR to replicate it directly.
This formation is done in the presence of a vector. This method is used in the field of veterinary office, pharmacy and many more. It has the ability to replace the gene of an animal’s genome.
Answer:
The correct answer is option E (testosterone).
Explanation:
The interstitial cells or Leydig cells are the individual or group of cells present in loose connective tissues surrounding the seminiferous tubules.
They are usually active in the production of dominant sex hormones in males that is testosterone responsible for male secondary sexual characteristics.They produce hormones in the presence of luteinizing hormone (LH) and growth hormone released by the pituitary gland.
The high cholesterol content and crystals of Reinke make the leydig cells appear pale in color.
Thus, option E- testosterone is the correct answer.
