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प्रश्न
Choose the correct answer :
Human sex chromosomes are __________
विकल्प
X and O
Y and O
X and Y
none of these
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उत्तर
Human sex chromosomes are X and Y
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संबंधित प्रश्न
What are the chromosomes XY and XX known as?
A new born child has an XY pair of chromosmes. Will it be a baby boy or a baby girl?
In a human, how many chromosmes are present in a sperm in the testes?
The exchange of genetic material takes place in :
(a) vegetative reproduction
(b) asexual reproduction
(c) sexual reproduction
(d) budding
- E is the gene for brown eye colour and e is the gene for blue eye colour. Which gene is (i) recessive, and (ii) dominant?
- Both father and mother have the genes Ee in their cells. What colour are their eyes?
- Which combination of genes in the zygote will produce children with blue eyes?
- Which combinations of genes in the zygote will produce children with brown eyes?
Define the following:
Autosomes
Haplodiploidy is found in ______.
A zygote which has an X-chromosome inherited from the father will develop into a ______.
The two versions of a trait (character) which are brought in by the male and female gametes are situated on
In the haplodiploidy system observed in honeybees, unfertilized eggs develop into which type of individual?
