Bias is a judgement that is not based on fact
Observation is usually the first step of an experiment
Scientists try to understand the phenomena that occur in the enviroment
These three are true
Answer:B) homologous chromosomes trade pieces of dna
Explanation:
Crossing over occurs between two homologous chromosome of sisters chromatid. Crossing over leads to exchange of genetic material between the two sister chromatids leading to recombination.
The difference between plant and animals is that plants take carbon dioxide while animals breathe in that oxygen and breathe back out carbon dioxide
Answer: Un ejemplo de cada uno sería el flagelo presente en un espermatozoide y el cilio en el tejido epitelial de los pulmones que elimina las partículas extrañas. Los cilios móviles y los flagelos poseen la misma estructura de axonemas 9 + 2.
