Sagot :
Explanation:
XY XX^H
XX^H XX^H XY XX^H XX^H
XY XY XY XY XX^H
all the royal families in Europe were related
that must mean 1 family ruled all of europe
The family pedigree of Queen Victoria shows a number of hemophilic descendants. Because hemophilia is recessive disorder and Queen Victoria was a carrier. X-linked recessive disease most often occurs in males because Males have only one X chromosome.
XY XX^H
XX^H XX^H XY XX^H XX^H
XY XY XY XY XX^H
Which chromosome will cause the disease?
- A single recessive gene on that X chromosome will cause the disease.
- Females have two X chromosomes so they can act as carriers for the disease.
What is hemophilia?
- Hemophilia is a bleeding disorder that slows the blood clotting process.
- Hemophilia is x-linked recessive disorder
So, Queen Victoria was a carrier.
learn more about chromosomes below,
https://brainly.com/question/2600679
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