Mendel was born in __________
- ✓Czechoslovakia
- BAustria
- CEngland
- DPortugal
Answer: A.
View full solution →Question types
Principles of Genetics question types
70 questions across 5 question groups — pick any mix to generate a Biology paper with step-by-step answer keys.
70
Questions
5
Question groups
5
Question types
01
MCQ
18 Q→02[1 Mark Question Answer]
27 Q→03[2 Mark Question Answer]
13 Q→04[3 marks Question Answer]
10 Q→05[5 Mark Question Answer]
2 Q→Sample Questions
Principles of Genetics questions
One sample from each question group in this chapter. Select any group above to see the full set with answer keys.
A man can transfer his sex-linked gene to his ______________
- Ason
- ✓daughter
- Cboth
- Dnone of these
Answer: B.
View full solution →A colour blind woman marries a normal man, in the progeny _________
- Aone son and one daughter are normal
- Bsons are colour blind and daughters are normal
- ✓sons are colour blind and daughters are carriers
- Dnone of these
Answer: C.
View full solution →A carrier haemophilic woman marries a haemophilic man. What are the chances for her progeny to be haemophilic?
- A0.25
- B0.75
- ✓0.5
- D1
Answer: C.
View full solution →A single recessive trait, able to express must be on _________
- AY chromosome
- ✓X chromosomes in male
- CX chromosome in female
- Dautosome
Answer: B.
View full solution →Define the following:
Sex-linked characters
Sex-linked characters
Define the following:
Sex chromosomes
Sex chromosomes
Define the following:
Autosomes
Autosomes
Mention whether the cross is a monohybrid or dihybrid.
What determines the sex of a child in humans?
How did Mendel's work come to light?
Give the ratio of phenotype of these crosses.
Predict the genotype and phenotype of the following cross in pea.
TTrr x ttRR
(Capital letters show dominance)
TTrr x ttRR
(Capital letters show dominance)
Explain the following terms:
Identical twins
Identical twins
Explain the following terms:
Laws of Inheritance
Laws of Inheritance
Note down the allele pairs studied by Mendel. Mention which allele is dominant.
Predict the genotype and phenotype of the following cross in pea.
TtRr x TtRr
(Capital letters show dominance)
TtRr x TtRr
(Capital letters show dominance)
Predict the genotype and phenotype of the following cross in pea.
tt x TT
(Capital letters show dominance)
tt x TT
(Capital letters show dominance)
Predict the genotype and phenotype of the following cross in pea.
TT x Tt
(Capital letters show dominance)
TT x Tt
(Capital letters show dominance)
Give three exceptions to Mendel's laws.
A family consists of two parents and their five children and the pedigree chart below shows the inheritance of the trait colour blindness .
(i) Who is colour blind in parents - Father or Mother?
(ii) How many daughters and sons have beeen born in the family?
(iii) What does the child 1 indicate about this trait?
(iv) Complete the depiction of all probabilities of the trait among the children 2-5 in the chart.
(v) On which chromosome is the gene of this trait located?
(vi) Name one other trait in humans which follows the similar mode of inheritance.
(i) Who is colour blind in parents - Father or Mother?
(ii) How many daughters and sons have beeen born in the family?
(iii) What does the child 1 indicate about this trait?
(iv) Complete the depiction of all probabilities of the trait among the children 2-5 in the chart.
(v) On which chromosome is the gene of this trait located?
(vi) Name one other trait in humans which follows the similar mode of inheritance.
Explain dihybrid cross.
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