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प्रश्न
Name any two genetic in humans.
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उत्तर
Colour-blindness, Thalassaemia, Sickle cell anaemia and Haemophilia
संबंधित प्रश्न
Explain sex determination in human beings.
Write the types of sex-determination mechanisms the following crosses show. Give an example of each type.
(i) Female XX with Male XO
(ii) Female ZW with Male ZZ
Explain the mechanism of sex determination in birds.
There are two sets of chromosomes in the zygote.
A zygote which has inherited an X chromosome from the father will develop into :
(a) baby boy
(b) baby girl
(c) adult
(d) either boy or girl
Choose the correct answer:
A man can transfer his sex-linked gene to his ______________
How many ovum are formed when a diploid cell undergoes meiosis, during oogenesis?
Identify the female heterogamety from the chromosomal complements given below.
ZZ/ZW type of sex determination is seen in ______.
A trait in an organism is influenced by
