As people age there one become more porous due to loss of calcium and phosphate and osteoporosis.
<u>Explanation</u>:
Osteoporosis is a condition in which the bones become brittle and easy to break on injury which results due to the loss of calcium from the bones. Many health problems and aging can lead to the disease of osteoporosis like breast cancer, prostrate cancer, depression, rheumatoid arthritis, Sickle Cell disease, Parkinson's disease, thalassemia, and many others.
The decreased density of the bone can be detected with the help of bone density x-ray. In females osteoporosis is common after menopause in which the drop of estrogen hormone levels cause the loss of calcium absorption in the bones.
What is the likelihood of their child having the disease is:
A. 0%
Explanation:
- The mother is heterozygous, thus she has an allele which is recessive and the other allele which is dominant.
- The father has no recessive allele for the gene.
- During meiosis in mother , two types of gametes will be produced. One type of gamete will have the recessive allele and the other type of gametes will have dominant allele.
- During meiosis in father, only one type of gametes will be formed which will have the dominant allele only.
- In a situation a female gamete with recessive allele is fertilized by a male gamete with dominant allele. The resulting zygote will be heterozygous.The effect of the recessive allele will be masked by the dominant allele and the child will not have the disease.
- In a situation a female gamete with the dominant allele is fertilized by a male gamete with dominant allele then the resulting zygote will be homozygous for dominant allele and obvioiusly the individual will not have the disease.
- Thus, in this case we can conclude that there is 0% chance of child having the disease.
Answer:
they carry out experiments to understand it
Explanation:
Scientists raise hypotheses which are tested by experiments made under controlled conditions in order to explain a particular topic. When a hypothesis is confirmed by the experimental data, the evidence obtained from this experiment provides the basis to increase the scientific knowledge about a particular issue. In consequence, experimentation can be considered as a critical step in the scientific method and research aims to advance knowledge of a particular phenomenon by confirming a hypothesis, which must be testable (i.e. verifiable as a result of further experimentations).
Answer:
8 classes of order or taxonomic ranks?
Explanation:
kingdom
phylum
class
order
family
genus
species
