Question 1MCQ · Analyse · 1 mark
Heredity · Mendelian inheritance
In pea plants, T is dominant for tallness and t is recessive. Which plant is tall but can pass a recessive t allele to its offspring?
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CBSE Class 10 Science Competency Based Questions
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Question 2MCQ · Analyse · 1 mark
Heredity · Mendelian inheritance
A tall pea plant is crossed with a dwarf tt plant. Many offspring include tall and dwarf plants in an approximately 1:1 ratio. What is the likely genotype of the tall parent?
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Question 3MCQ · Analyse · 1 mark
Heredity · Sex determination
In the standard XX-XY model of human sex determination, which statement is correct?
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Question 4MCQ · Analyse · 1 mark
Heredity · Inherited traits and variation
A parent has a scar caused by an accident. Why is the same scar not normally inherited by the child?
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