Advertisements
Advertisements
प्रश्न
Name the stage of cell division where segregation of an independent pair of chromosomes occurs.
उत्तर
Segregation of an independent pair of chromosomes occurs during the M phase (mitotic phase) of cell division. Homologous chromosomes line up independently on the metaphase plate.
APPEARS IN
संबंधित प्रश्न
What is a test cross?
How does the gene 'I' control ABO blood groups in humans ? Write the effect the gene has on the structure of red blood cells.
State a difference between a gene and an allele.
Work out a typical Mendelian dihybrid cross and state the law that he derived from it.
Choose the correct options of the following question:
In the given pedigree chart, the trait shown is:
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.
Which of the following amino acid substitution is responsible for causing sickle cell anemia?
In human beings, where genotype AABBCC represents dark skin colour, aabbcc represents light skin colour and AaBbCc represents intermediate skin colour; the pattern of genetic inheritance can be termed as: ______
In Antirrhinum, RR is phenotypically red flowers, rr is white and Rr is pink. Select the correct phenotypic ratio in F1 generation when a cross is performed between RR X Rr: ______
What does low hematocrit value represent?