A woman receives her X chromosome from:
Correct answer: B. Both her mother and her father
- A. Her mother only
- B. Both her mother and her father
- C. Her father only
- D. Extra nuclear DNA in her mother's egg
Explanation
The woman always have XX chromosome, but the man has XY chromosome, so a child always gets an X chromosome from the mother but if the man gives X chromosome, then the child will be a female. However if he gives the Y chromosome, the child will be a boy. Therefore the correct option is B.
Report an error
The more specific you are, the faster it gets fixed. A source beats an opinion.
Prefer email? [email protected]
About Inheritance
Mendel's laws explain segregation, independent assortment and the prediction of genetic ratios using alleles, genotypes and phenotypes. The chapter also covers linked genes, recombination and crossing over during meiosis, then applies pedigree reasoning to X-linked recessive traits, which show different inheritance patterns in males and females.
Practise Inheritance
1,238 free Inheritance MCQs from Biology, each with the correct answer and an explanation. Unlimited attempts, no account needed.
Discussion
Stuck on an option, or know a faster way to get there? Ask or explain it here.
No comments yet. Be the first to explain this one.
Exams that ask Biology questions like this
Biology is on 8 papers prepared for on TestUstad, and all of them draw the same bank, so this question is worth knowing for every one of them.
More Inheritance questions
A person with unknown blood group under ABO system, has suffered much blood loss in an accident and needs immediate bloodtransfusion. His friend who has valid certificate of his own blood type, offers for blood donation without delay. What would have been the type of blood group of the donor friend?
What is correct for blood group O?
The blood group, with anti-A body and anti-B body is:
Study the pedigree chart given below. What does it show?
Two nonallelic genes produces the new phenotype when present together but fail to do so independently then it is called:
Sickle cell anaemia induce to: