Principles of Inheritance and Variation questions
1199 published questions with worked solutions.
- The traits which are not expressed due to a particular gene but are expressed byproducts of sex hormones are
- In XX and XO chromosomal sex-determination, there is absence of one chromosome in
- In bugs and cockroaches, the sex-determination takes place by
- Female is heteromorphic and male is homomorphic in
- The chromosomal denotation for heterogametic female and homogametic males are
- When one sex chromosome lacks is females and males are homogametic. The sex chromosomal representation in that case is given as
- Haplo-diploid mechanism of sex-determination (haplodiploidy) takes place in
- In haplodiploidy determination of sex, male is
- Females in haplodiploidy sex determination are
- An abnormal human baby with 'XXX' sex chromosomes was born due to
- Thalassemia is
- Color blindness is caused due to
- Which one of the following conditions correctly describes the manner of determining the sex in the given example?
- Sex chromosomes of female bird are represented by
- Which of the following symbols are used for representing chromosome of birds?
- When an animal has both the characters of male and female, it is called
- Which one of the following does not indicate the presence of chromosomal disorder?
- Absence of one sex chromosome causes
- The gene of sickle-cell anaemia is inherited by
- A hereditary disease, which is never passed on from father to son is
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