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प्रश्न
Define the following:
Autosomes
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उत्तर
Autosomes - The chromosomes other than sex chromosomes present in the body are called autosomes.
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संबंधित प्रश्न
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
Differentiate between male and female heterogamety.
The person A has only B chromosomes in all its gametes. On the other hand, another person C has chromosome D in half of gametes and chromosome E in the other half of gametes. When chromosomes B and D combine during fertilisation, a female zygote results. On the other hand, combination of B and E chromosomes produces a male zygote.
(a) What are chromosomes (i) B (ii) D, and (iii) E?
(b) Out of B, D and E, which two chromosomes are of the same type?
(c) Which chromosome is smaller in size?
(d) What is the general name of chromosomes such as B and E?
(e) Out of the two persons A and C, which one is (i) male, and (ii) female?
Choose the correct answer :
Human sex chromosomes are __________
Complete the following sentence with appropriate word:
______are the alternative forms of a gene producing different effects.
How drones are produced in honey bees?
Explain the mechanism of sex determination in birds.
What is haplodiploidy?
The ‘X’ body of Henking was observed in ______.
A trait in an organism is influenced by
