The correct answer is: the treated glioblastoma cells were cultured in the presence of an inhibitor from umbilical cord stem cells, but the control cells were cultured without the inhibitor.
It has been shown that treatment with injected umbilical cord stem cells has strong therapeutic effects on glioma models. Those cells produce anti-tumour substances, with inhibitory effects.
Control group does not include the treatment in order to observe the treatment.
Rays of light that pass through the lens are brought closer together that’s because this lens is a converging lens.
Globular clusters is a type of star system where the stars are tightly bounded by gravity.
<h3>What is a star system?</h3>
A star system can be defined as small number of stars that orbit around each other and are bound by gravitational force of attraction.
It is also called a stellar system.
Globular clusters is a type of star system with the following features;
- It is composed of hundreds or thousands of low-metal old stars.
- Stars are similar to those in the spiral galaxy
- Stars are tightly bound by gravity.
Hence, globular clusters is a type of star system.
Learn more about star system here:
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I honestly think that a or d would be the best options. I would start with D and if that doesn't work try a.
Answer:
<h2>
Alice's daughter Alix =X X* </h2><h2>
George V= XY
</h2><h2>
Progeny are;</h2><h2>
XX, XY, X*X, X*Y
</h2><h2>
50 % males would be infected
</h2><h2>
50% male normal</h2><h2>
50% female normal,
</h2><h2>
50 female carrier.
</h2>
Explanation:
Hemophilia is an inherited disease and it follows an X-linked recessive pattern. The genes for hemophilia disease are located on the X chromosome. In males one mutated copy of the chromosome X is sufficient to cause the condition, because male contain only one gene. Female contain XX chromosome, so both the chromosome must have mutated for causing this disease.
According to study of Queen Victoria (1891-1901) of England, Alice's daughter Alix was X linked carrier and George V was normal male,
so if they got married, their children would be
parents genotype X X* XY
progeny
XX, XY, X*X, X*Y
50% males would be infected
50% male normal
50% female normal,
50 female carrier.
