<span>We know that fetuses can hear before birth because newborns are able have a preference for sounds they were subjected to while still in the womb. For example, a newborn would likely be able to preference the sound of their mother's voice than the voice of a stranger.</span>
Answer:
The correct answer is : option A. emotional arousal in the amygdala activates memory consolidation in the hippocampus.
Explanation:
Hippocampus is the part of the brain known for the consolidation of the memories to short time to long term memories based on their emotional relevance.
Amygdala is the part of the brain that is responsible for emotional arousal or forming emotion which is later activates the hippocampus to consolidate this memory. Memory with the emotional aspects retained for long term than boring or humdrum experiences due to the reason mentioned above.
Answer: Haploid number
In normal humans, sex cells contain the diploid number of chromosomes
Explanation;
Human somatic cells or body cells are diploid such that they contain two sets of 23 chromosomes which gives a total of 23 chromosomes. Examples of somatic cells in the body that are diploid include, epithelial cells, somatic cells, liver cells, blood cells, nerve cells, etc.
However, mature sex cells are haploid, which means they have one set of 23 chromosomes which means they have 23 chromosomes. Sex cells are the results of meiosis type of cell division in which a diploid cell divides to form four daughter cells that are haploid.
