Class 10 · ICSE · Biology

Genetics

Mendel's laws, monohybrid and dihybrid crosses, and sex determination in humans.

Questions: 17
PYQs: 0
Topics: 2

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Monohybrid and Dihybrid Crosses1 Sex Determination1

Questions

17 questions in this chapter.

Answer available
Class 10 · Biology · Genetics
Using a Punnett square, work out the offspring of a cross between two heterozygous tall pea plants, and give the phenotypic and genotypic ratios.
4 marksHardStructured
Answer available
Class 10 · Biology · Genetics
The sex of a human child is determined by:
1 markMediumMCQ
Answer available
Class 10 · Biology · Genetics
State Mendel's law of independent assortment and name the cross that demonstrates it.
3 marksMediumShort answer
Answer available
Class 10 · Biology · Genetics
Define the terms genotype and phenotype.
2 marksEasyShort answer
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Class 10 · Biology · Genetics
State Mendel's law of segregation.
2 marksEasyShort answer
Answer available
Class 10 · Biology · Genetics
What is a mutation? State one example in human beings.
3 marksMediumShort answer
Answer available
Class 10 · Biology · Genetics
Define allele, dominant character and recessive character.
3 marksMediumShort answer
Answer available
Class 10 · Biology · Genetics
What is a Punnett square, and what is it used for?
3 marksMediumShort answer
Answer available
Class 10 · Biology · Genetics
A man with blood group AB marries a woman with blood group O. State the blood groups possible in their children and explain.
4 marksHardApplication based
Answer available
Class 10 · Biology · Genetics
In pea plants tall (T) is dominant over dwarf (t). A pure tall plant is crossed with a dwarf plant. Give the genotype and phenotype of the F1 and the F2 generations.
4 marksMediumStructured
Answer available
Class 10 · Biology · Genetics
The phenotypic ratio of the F2 generation of a monohybrid cross is:
1 markEasyMCQ
Answer available
Class 10 · Biology · Genetics
In a dihybrid cross between plants with round yellow seeds (RRYY) and wrinkled green seeds (rryy), give the F1 and the phenotypic ratio of the F2.
4 marksHardStructured

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