Question
Study the given pedigree chart and answer the questions that follow.

  1. Is the trait recessive or dominant?
  2. Is the trait sex linked or autosomal?
  3. Give the genotypes of the parents shown in generation I and their III child shown in generation II and the first grandchild shown in generation III.

Answer

  1. Dominant.
  2. Autosomal.
  3. Parents-Mother- aa.

Father-Aa.

Third child-Aa.

First grand-child-Aa.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Similar questions

i. Construct a complete transcription unit with promotor and terminator on the basis of the hypothetical template strand given below.
Image
ii. Write the RNA strand transcribed from the above transcription unit along with its polarity.
  1. What is the functional difference between B-cells and T cells
  2. Name the source used to produce hepatitis B vaccine using rDNA technology.
Where and how does the primary succession occur? Explain.
What is meant by polynucleotide? Write its components.
Mention the chemical nature of an antibody and name the type of cells they are produced by. Write the difference between active and passive immune responses on the basis of antibodies.
Haemophilia is a sex-linked recessive disorder of humans. The pedigree chart given below shows the inheritance of haemophilia in one family. Study the pattern of inheritance and answer the questions given.

  1. Give all the possible genotypes of the members 4; 5 and 6 in the pedigree chart.
  2. A blood test shows that the individual 14 is a carrier of haemophilia. The member numbered 15 has recently married the member numbered 14. What is the probability that their first child will be a haemophilia male?
  1. How has the development of bioreactor helped in biotechnology?
  2. Name the most commonly used bioreactor and describe its working.
Explain the evolutionary theory of living form based on the observations of Charles Darwin.
Construct an ideal pyramid of energy when 10,00000 J of sunlight is available. Label all its levels.
Why does the 'insertional inactivation' method to detect recombinant DNA is preferred to 'antibiotic resistance' procedure?