Breast tenderness would be considered a presumptive sign of pregnancy.
The fertilization of sperm and ovum occurs at ampulla isthmic junction of fallopian tube. This ovum travels to the uterus and joins with the uterus for further development. Two weeks after the fertilization or conception, pregnancy is said to begin.
This is accompanied with missed periods or menstruation. Other important presumptive signs include nausea, vomiting, breast tiredness, back pain, poor sleep etc. In humans, the pregnancy or gestational period lasts for around 40 weeks or 80 days. Estrogen, progesterone and human chorionic gonadotropin are the three hormones that rise at the start of pregnancy.
Estrogen regulates progesterone and increases blood flow while progesterone prepares the uterus for implantation of fertilized ovum. The third hormones indicates the creation of placenta.
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It was used to protect Athens from attacks :)
An organism<span> can be homozygous dominant, if it carries two copies of the same dominant allele, or homozygous recessive, if it carries two copies of the same recessive allele. </span>Heterozygous<span> means that an </span>organism<span> has two different alleles of a gene.</span>
Answer: b) clashing belief systems between cultures.
Options:
a) the universality of cultural belief systems.
b) clashing belief systems between cultures.
c) the dominance of certain cultural belief systems,.
d) the diversity of cultural belief systems.
Explanation: Postformal thinking occurs after adolescence. It is at this stage that an individual becomes aware of the contradictions between the same ideas such as the clashing belief systems between cultures. In addition, during this stage of cognitive development , a person is better able to see how comp.ex some issues are, that everything is not black or white but there are varying shades of what is right and what is wrong.
