1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Tju [1.3M]
3 years ago
6

Hemophilia is an X-linked recessive disorder (Xh) that is passed through generations and can be traced by using a pedigree.

Biology
2 answers:
svet-max [94.6K]3 years ago
8 0

Answer:

The correct answer will be option-C

Explanation:

Haemophilia is an X-linked recessive disease which expresses its effect only when both the alleles carry the recessive gene that in homozygous condition.

In the given question, according to the standardized rules and symbols to study the pedigree of disease suggests that the affected person should be represented by the filled male and female boxes with dark color.  

So, by looking at the pedigree, one can conclude that John is not affected by the disease and does not carry the alleles for the disease.

Thus, Option-C is the correct answer.

yarga [219]3 years ago
6 0

Answer:

The correct answer is C. does not have hemophilia

Explanation:

In the given pedigree John has an XH chromosome, which means that he has the dominant chromosome. As males have one X, they can either be affected or unaffected. So, in this case John could not be carrier. Also, the Dominant chromosome is fully functional and does not show the characters of the disease, so, John would be free of hemophilia.

You might be interested in
The different ways pulse rate can be used to measure fitness?
Stels [109]
A normal heart rate ranges between 60-100 beats per minute. The higher the heart rate is, the faster the blood is pumping through the heart. When exercising a persons heart will be higher because the brain and the muscles in the body are in need of oxygen so the heart needs to pump faster in order to sustain optimal performance.<span />
4 0
3 years ago
Compared with nuclear families, extended families typically _____.
AnnyKZ [126]
Include grand parents.

Nuclear family is a family group with 2 parents and their children. This is a type of family structure.  It typically centered on married couple. This is in contrast to other family group such as single parent, extended types. Extended family extends beyond the nuclear family usually extended by grand parents. Usually they live under one roof. Certain family structure has advantages and disadvantages. This is also affected by the culture and way of living of the family. 
7 0
3 years ago
Read 2 more answers
Certain antibacterial drugs such as trimethoprim and the sulfonamide drugs (e.g., sulfadiazine, sulfamethoxazole) selectively in
d1i1m1o1n [39]

Answer:

Folic acid

Explanation:

Antibacterial drugs helps fight the bacterial infections. these drugs helps release essential amino acids by impairing the production of folic acids in bacterial cells. Bacteria infection may get severe and hazardous if they are leave untreated.

8 0
3 years ago
A white mouse whose parents are both white produces only brown offspring when mated with a brown mouse. the white mouse is most
natka813 [3]
Recessive. I don't know the topic of your question so I dont fully know. but if you are talking about dominant and receive then white would be a receive gene.
8 0
3 years ago
Identify the type of cell that does not contain a nucleus​
vladimir1956 [14]

Answer:

A bacteria cell

Explanation:

5 0
3 years ago
Other questions:
  • What is the primary cause of respiratory distress syndrome (rds) of the newborn?
    14·1 answer
  • Are humans the smartest animal on the planet?
    7·1 answer
  • When the plaintiff assumes responsibility for injury, or in other words, he or she agrees to participate when there is a chance
    8·1 answer
  • What species is this cat and Where the cat is located?​<br><br><br>PLEASE ANSWER NOW!!!
    12·1 answer
  • What disease is caused by a protist, specifically a(n)?
    5·1 answer
  • Why is coal considered a nonrenewable energy source
    7·2 answers
  • 20 points and brainliest!! I NEED HELP!
    9·2 answers
  • PLSSS HELPPPP I WILLL GIVE YOU BRAINLIEST!!!!!! PLSSS HELPPPP I WILLL GIVE YOU BRAINLIEST!!!!!! PLSSS HELPPPP I WILLL GIVE YOU B
    10·2 answers
  • Which explains a difference between prokaryotic and eukaryotic gene reguation?
    11·1 answer
  • Lead released into the environment makes its way into the air, soils, and water and can remain in the environment as dust, indef
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!