When a person is born they get one chromosome from the mom and one from the dad. A female has XX chromosomes a male has XY Cromosomes. So a male would get the Y from the dad and the X from the mom.
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❖ Before mitosis and meiosis occur, DNA replication has to occur. DNA replication is when another copy is made of the DNA and in mitosis and meiosis, you need the replicated DNA for the sister chromatids.
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Answer:
A. Plant cells have cell walls and chloroplasts, Animal cells do not.
Explanation:
Crossing over. Parts of sister chromatids will sometimes switch places with the parallel part, resulting in a completely unique DNA sequence.
<span>Adenosine triphosphate or ATP is a way to store and use energy in the food we eat. If there is not enough ATP, this could lead to lesser oxygen in the cell on the food; hence, this will affect the energy that we can get from a certain food.</span>
