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Class 10 · Science · Medium
→What is the main difference between acquired and inherited traits?
Class 10 · Science · Easy
→Why is it scientifically wrong to blame the mother for the birth of a girl child?
Class 10 · Science · Easy
→What combination will form when a Y-chromosome sperm fuses with an X-chromosome egg?
Class 10 · Science · Easy
→What combination will form when an X-chromosome sperm fuses with an X-chromosome egg?
Class 10 · Science · Easy
→Why is the father’s role considered decisive in sex determination of a human child?
Class 10 · Science · Medium
→What is the usual phenotypic ratio in the second generation of a dihybrid cross?
Class 10 · Science · Medium
→Why can new trait combinations appear in the second generation of a dihybrid cross?
Class 10 · Science · Medium
→What does independent assortment mean in a Mendelian cross involving two traits?
Class 10 · Science · Easy
→If a plant has one dominant and one recessive form for a trait, what will usually be seen externally?
Class 10 · Science · Easy
→If a recessive trait is visible, what conclusion about its gene forms is correct?
Class 10 · Science · Medium
→What does the 3:1 result in the second generation of a monohybrid pea cross show?
Class 10 · Science · Medium
→How can the dwarf trait reappear in the second generation even if it is not visible in the first generation?
Class 10 · Science · Medium
→Why do all plants appear tall in the first generation when pure tall and pure dwarf pea plants are crossed?
Class 10 · Science · Medium
→Why was the pea plant suitable for Mendel's experiments?
Class 10 · Science · Easy
→How many chromosomes are normally present in the first cell formed after fertilisation in humans?
Class 10 · Science · Medium
→Why is the chromosome number different in body cells and gametes?
Class 10 · Science · Medium
→Why is a gene considered a unit of traits?
Class 10 · Science · Medium
→Why is an offspring not exactly identical even when it resembles its parents?
Class 10 · Science · Medium
→What is the most correct relation between heredity and variation?
Class 11 · Political Science · Expert
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