Answer:
"The combination of sex chromosomes received from parents " .
Explanation:
Sex determination : The process by which sex of a child is determined .
Parental generation :
Mother Father
XX XY (sex chromosomes )
X,X X,Y (gametes )
First filial generation :
X Y
X XX XY
X XX XY
If XX is formed then it is girl and if XY is formed then it is boy .
Conclusion :
- we concluded that there is 50-50 percent chance of boy or a girl .
- Sex of a child is determined by father because father produce different gametes .
Take samples around you and see what bacteria will grow.https://www.stevespanglerscience.com/lab/experiments/growing-bacteria/
AATGCG. Nucleotides bond in pair of A-T G-C
Answer:
It should be noted the options for the question are not complete. But the answer is,
As capillaries become engorged, the upper respiratory tract is affected by the subsequent edema and hyperemia, which causes these conditions, seen commonly during pregnancy.
Explanation:
Nasal congestion is a situation where the nasal passage become blocked. This is due to the swollen of the tiny blood vessel lining the nose. This is because the blood vessels have been inflamed.
There are many methods which can be adopted to relieve it.Some of them are
* Drinking lots of fluid
* Breathe in steam from a container with warm water
* using vaporizer
* Avoiding chlorinated pools.
Epistaxis is known to be bleeding from the nose. This can be caused by been exposed to dry air, which can cause the damage of the tiny blood vessels.
One of the methods that can be use as treatment is cauterization. This is the use of chemical swabs to cautirize the nose , and this eventually seals the damaged blood vessels.
This is an emergency situation in a pregnant woman because, it may may reduce the amount of oxygen required by the unborn baby.
D) Nuclear Reactions. I do not get cancer from my dog.
