Advertisements
Advertisements
Question
Name the stage of cell division where segregation of an independent pair of chromosomes occurs.
Solution
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
RELATED QUESTIONS
With the help of one example, explain the phenomena of co-dominance and multiple allelism in human population.
Work out a typical Mendelian dihybrid cross and state the law that he derived from it.
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.
When a single gene influences more than one traits it is called ______.
A pleiotropic gene ______.
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: ______
The gene that controls the ABO blood group system in human beings has three alleles -IA, IB, and i. A child has blood group O. His father has blood group A and mother has blood group B. Genotypes of other offsprings can be: ______
- IB IB
- IA i
- IB i
- IA IB
- ii
Human with ______ blood group is considered as Universal Donor.
The normal pH of blood is ______.
Which of the following is best suited for co-dominantly?