Keeping constant the number of chromosomes of the species and perform a summary of recombination, through crossing-over
( Swapping – increases the <span>genetic variability )</span>
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The pig heart is big,and the chicken heart is small.
Answer:
Chromosomes must still be copied.
the cell must double in size.
the nuclear DNA must double.
Explanation:
because malnutrition causes various health issues and diseases, lowers your immune system, and causes death.