A child's gender (male or female) is determined by the chromosome that the male parent contributes.
Females have XX sex chromosomes.
Males have XY sex chromosomes.
A male infant results if the male contributes his Y chromosome while a female infant results if he contributes his X chromosome.
Answer:Eating salty food causes what kind of thirst
Answer:
We only know it's there because we can see the effect of its gravity. Scientists study dark matter by looking at the effects it has on visible objects. Scientists believe that dark matter may account for the unexplained motions of stars within galaxies. Computers play an important role in the search for dark matter information.
Explanation:
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Answer:
Explanation:
When cell divides, the DNA will replicate in the parent cell or make copies of itself and this will make the chromatics to split or divide in order to create a new cell or daughter cell which contain the exact same DNA. The daughter cell then pass these DNA to subsequent generations, when it also undergo cell division and the dna is been replicated
Eutrophication is the overgrowth of algae in lakes and ponds
that is usually caused by the introduction of different chemicals
into the water from fertilizer run-off. Some ways to combat this
are to increase the flow of moving water, prevent contamination
from fertilizer, and reduce pollution of our lakes and streams.
