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.
My Answer: Mutations produces random changes in an organisms genetic code. Some examples of the changes are: None of the mutations may have a positive, negative nor neutral effect on the organism. A different organism may be produced. Mutations help organisms better, so that they're able to survive, if mutations do that it is more likely that the organism will survive and pass the mutated gene onto the next generation.
Hope I helped! :D
The answer should be letter B I'm sorry if not
Explanation:Es cuando la interacción nuclear que experimentan los protones y los neutrones son mayores que la fuerza de repulsión eléctrica
de los protones
Es estable cuando existe un equilibrio entre las fuerzas que actúan, o las fuerzas atractivas son mayores que las repulsivas
A. There are double bonds present in the fatty acid chains of a polyunsaturated fat but none in a saturated fat.
That is the right answer >_>