Advertisements
Advertisements
Question
What are 'true breeding lines' that are used to study inheritance pattern of traits in plants?
Solution
True breeding lines are those plants that have been generated through repeated self-pollination and have become homozygous for a particular trait. The trait is passed on to posterity if bred with another true breeding plant.
APPEARS IN
RELATED QUESTIONS
What is the inheritance pattern observed in the size of starch grains and seed shape of Pisum sativum? Workout the monohybrid cross showing the above traits. How does this pattern of inheritance deviate from that of Mendelian law of dominance?
Name the stage of cell division where segregation of an independent pair of chromosomes occurs.
Work out a cross up to F1 generation only, between a mother with blood group A (Homozygous) and the father with blood group B (Homozygous). Explain the pattern of inheritance exhibited.
Mention one significant difference between Epistasis and dominance
Given below is the representation of a relevant part of the amino acid composition of the β-chain of hemoglobin, related to the shape of human red blood cells.
(a) Is this representation of the sequence of amino acids indicating a normal human or a sufferer from certain blood related genetic diseases? Give reasons in support of your answer.
(b) Why is the disease referred to as a Mendelian disorder? Explain.
A pleiotropic gene ______.
The normal pH of blood is ______.
Approximately seventy precent of carbon dioxide absorbed by the blood with be transported to the lungs ______.
In blood:
Which of the following illustrates pleiotropy?