Vertebrates, sexual reproduction, and fusion
Ans.
In humans, there are total of 46 chromosomes in each cell that show 23 pairs of chromosome. During reproduction, meiosis occurs in germ cells that leads to formation of daughter cells or gametes that contain half of the chromosomes as present in parent cells. Thus, each gamete (either male or female) contains 23 chromosome.
During fertilization, fusion of male gamete or sperm(with 23 chromosomes) and female gamete or ovum(with 23 chromosomes) to form zygote that develops into multi-cellular offspring with 46 chromosomes.
Thus, 'a child inherit 46 chromosomes from his or her parent (23 chromosomes from each parent).'
Answer:
The trait that is common to both science and pseudoscience is both are based on facts.
Explanation:
- Both science and pseudoscience are based upon collection of evidence, information and facts.
- Although both claims to have the evidence to back up their research and findings but only science provides a solid one. The pseudoscience supports their findings with little evidence.
- We can see a clear and straight forward explanation in science but pseudoscience gives a vague and disturbing explanations, though both back them up with the facts and evidence.
Answer:
Chloroplasts in Green Plant Cells
The most important part of photosynthesis occurs in the chloroplasts. These small photosynthesis factories buried within the leaves house chlorophyll, a green pigment secreted in the chloroplast membranes.
Explanation:
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