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Question
Name any two genetic in humans.
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Solution
Colour-blindness, Thalassaemia, Sickle cell anaemia and Haemophilia
RELATED QUESTIONS
A family consists of two parents and their five children and the pedigree chart below shows the inheritance of the trait colour blindness in them.
Who is colour blind in the parents – the Father or the Mother?
Define the following:
Autosomes
Explain the following terms:
Identical twins
Complete the following sentence with appropriate word:
___________ chromosomes do not take part in sex determination.
How many ovum are formed when a diploid cell undergoes meiosis, during oogenesis?
In XO type of sex determination ______.
Which of the following determines the sex of a child?
Does a male child inherit X chromosome from his father? Justify.
Sex of an individual is determined by different factors in various species. Some animals rely entirely on the environmental ones, while in some other animals the individuals can change their sex during their life time indicating that sex of some species is not genetically determined. However in human beings, the sex of an individual is largely determined genetically.
- In what way are the sex chromosomes 'X' and 'Y' different in size? Name the mismatched pair of sex chromosome in humans.
- Write the number of pair/pairs of sex chromosomes present in human beings. In which one of the parent (male/female) perfect pair/pairs of sex chromosome are present?
- Citing two examples, justify the statement "Sex of an individual is not always determined genetically".
OR
Draw a flow chart to show that sex is determined genetically in human beings.
