XXY, in case of Drosophila, is a:
Correct answer: C. Fertile female
- A. Fertile male
- B. Sterile female
- C. Fertile female
- D. Sterile male
Explanation
In Drosophila, XXY represents a female but in human it is an abnormal male, because Y chromosomes are essential for determining the sex of the individual. Normally male individual possess X and Y chromosomes and female have XX chromosomes.
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
The researcher notices that round seeds occur naturally in the environment. Based solely on this information, what can the researcher conclude about the round phenotype?
In which of the following is the phenotype ratio of Mendel's law of independent assortment?
The position of a gene on chromosome is called:
Filial is a Latin word. It means which of the following?
Which of the following is true about O-negative blood group?
When a hemophilia carrier woman marries a normal man, who among her offspring may be affected: