Chromosomal Inheritance
Biology ⇒ Genetics and Heredity
Chromosomal Inheritance starts at 11 and continues till grade 12.
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See sample questions for grade 12
A geneticist observes that two traits are inherited together more often than expected by chance. What does this suggest about the genes controlling these traits?
A woman who is a carrier for hemophilia (an X-linked recessive disorder) marries a normal man. What is the probability that their son will have hemophilia?
A woman with genotype XX and a man with genotype XY have a child. What is the probability that the child will be male?
Describe how nondisjunction can lead to genetic disorders.
Describe the chromosomal basis of Mendel’s law of segregation.
Describe the difference between monosomy and trisomy.
During which phase of meiosis do homologous chromosomes separate?
Explain the difference between autosomes and sex chromosomes.
Explain the significance of the synaptonemal complex during meiosis.
Explain what is meant by 'linkage group'.
Explain why genetic recombination is important for evolution.
Explain why males with only one X chromosome are more likely to express X-linked recessive disorders than females.
How many chromosomes are present in a normal human somatic cell?
If a diploid organism has 8 chromosomes, how many chromosomes will its gametes have after meiosis?
What is the main difference between mitosis and meiosis in terms of chromosome number in daughter cells?
Who is credited with discovering the chromosomal theory of inheritance?
