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प्रश्न
What is parthenogenesis?
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उत्तर
The process by which a female produces offspring from unfertilized eggs is known as parthenogenesis.
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संबंधित प्रश्न
In a human, how many chromosmes are present in a brain cell?
Does genetic combination of mother play a significant role in determining the sex of a new born baby?
Which combination of genes in the zygote will produce children with brown eyes?
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?
What is heterogamety ? Explain the mechanism of sex determinatin in Drosophila.
Haplodiploidy is found in ______.
A woman has only daughters. Analyse the situation genetically and provide a suitable explanation.
Also describe as to, who determines the sex of an unborn child? Mention whether temperature has a role in sex determination.
Which of the following group shows ZW-ZZ type of sex determination?
