D)all of the above i think
Option C
This is an example of acquired mutation in which there is genetic transformation due to external factors such a change of temperature, pollution, radiation etc.
A vestigial organ, something that has yet to fall prey to evolution, but no longer serves a purpose, or the purpose it used to serve.
Answer:
<em>The correct option is A) Travis's mother, who lives with him</em>
Explanation:
We all know that humans reproduce sexually. The zygote formed consists half of the chromosomes or genome from the mother and half from the father. Hence, the sex cells undergo meiosis so that the chromosome number could be reduced to half in the sex cells.
However, the mitochondria present in a cell have their own DNA and instead of both parents being transferring this DNA, the mitochondrial DNA is just transferred by the mother to the offsprings. Hence, the mitochondrial DNA of mother and child will be the same.
Answer:i think At a chemical synapse, one neuron releases neurotransmitter molecules into a small space (the synaptic cleft) that is adjacent to another neuron. The neurotransmitters are contained within small sacs called synaptic vesicles, and are released into the synaptic cleft by exocytosis.
Explanation: i hope this answer your question....
