X - linked traits appear more often in males because males only have one x chromosome. One copy of an x - linked trait is all that a male would need to possess that trait. Females have two x chromosomes, so they would require 2 copies of the x - linked trait in order to possess it.
Answer:
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Mitosis and meiosis are the ways of cell division which result daughter cells for growth, development and reproduction.
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Explanation:
Mitosis and meiosis result daughter cells for growth, development and reproduction in the living world.
Mitosis results two similar daughter cells which are generally for growth and development. In asexual mode of reproduction, mitosis helps in increasing the number of cells.
Meiosis occurs in germ cells, and in meiosis, one diploid cell produce four haploid cells.
Meiosis results variations by independent assortment and by crossing over and it helps the sexual mode of reproduction. During fertilization, the resultant daughter haploid cells unite and retains the diploid number of chromosomes.
Answer:
Humans burn fossil fuels, clear trees, change land use, creating smog that traps the carbon in the Earth's atmosphere, leading the oceans to absorb the heat and eventually end up with global warming and ocean acidification.
Explanation:
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prophase I : homologous chromosomes are paired
metaphase I : the centrosome replicates
anaphase I: homologous chromosomes are separated
telophase I : nuclear envelopes form around separated chromosomes
Answer:
4
Explanation:
One division into the p1 generation, and then the p1 generation makes the p2 generation, making it 4 cellular divisions.