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Question
Explain the following terms:
Identical twins
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Solution
Identical twins - A single fertilized egg or Zygote splits into two parts after conception, resulting in the development of two individual embryos which later develop into indentical twins.
RELATED QUESTIONS
Explain sex determination in human beings.
There are two sets of chromosomes in the zygote.
- 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?
Choose the correct answer :
Human sex chromosomes are __________
Identify the female heterogamety from the chromosomal complements given below.
A man with blood group A marries a woman having blood group O. What will be the blood group of the child?
Select the incorrect statement
Sex in honey bee is determined by ______.
Which of the following group shows ZW-ZZ type of sex determination?
In the haplodiploidy system observed in honeybees, unfertilized eggs develop into which type of individual?
