List of top Zoology Questions on Principles of Inheritance and Variation

रक्त समूह ‘O’ वाले व्यक्ति के लिए, निम्नलिखित में से कौन सा माता-पिता के रक्त समूह जीनोटाइप का संभव संयोजन नहीं है?
If sex index ratio of a Drosophila is 0.66, its sexual phenotype is:
Expression of more than one phenotypic trait by a single gene is known as:
If blood group of father is A (homozygous) and that of mother is O, these blood groups are not expected in their children:
Reciprocal translocation of chromosomal pieces between 9 & 22 chromosomes leads to
In humans, sex is determined at the time of

Match the following sex-determination systems with examples

TypeExamples
A. XX-XOi. Birds, Reptiles
B. XX-XYii. Moths, Few butterflies
C. ZO-ZZiii. Grasshoppers, Cockroaches
D. ZW-ZZiv. Drosophila
In haplodiploidy
Which is incorrect about Mendel?