I believe it is A because I know Nonpoint source pollution can include excess fertilizers, herbicides and insecticides from
Agricultural lands and residential areas. I hope it is right.. please let me know
The answer is definitely C. Dysfunctional Behaviors.
Answer:
6 in total; 3 viable and 3 non-viable
Explanation:
Robertsonian translocation is one of the types of structural alteration in chromosomes, in other words, a rearrangement between chromosomes, which can occur between five pairs of acrocentric chromosomes (chromosomes with the centromere close to the end of one of the "arms"): 13, 14, 15, 21 and 22.
An individual who has Robertson's translocation between chromosomes 14 and 21 generally has only 45 chromosomes.
In addition, a carrier of this type of translocation can theoretically produce 6 types of gametes, however 3 of them are not viable.
As for the three remaining gametes: One is normal, and among the other two, one is balanced and the last is unbalanced.
So, theoretically, when combining a normal gamete, the probability of a child with down syndrome being born through these conditions is 1/3 (considering that the probability of producing a certain type of gamete is equal for the three types).
The expulsion of the embryo or fetus from the uterus before the middle of the second trimester is a condition called abortion. It is termination of pregnancy by removal or expulsion of an embryo.
Miscarriage is also that is known as spontaneous abortion which is unintentional expulsion of embryo within the 24 week and the most common cause of spontaneous abortion during first trimester is chromosomal abnormalities of embryo .
The health risk of abortion depend on the procedure is performed safely or unsafely. According to world health organization which is unsafe abortions as those performed by unskilled individuals.There is small diference in safety and efficiency between medical abortion using a combined regimen of mifepristone and misoprostal and surgical abortion in first startiung 3 weeks.
To learn more about spontaneous abortion here
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