Advertisements
Advertisements
प्रश्न
How drones are produced in honey bees?
Advertisements
उत्तर
Through the process of parthenogenesis, drones are produced in honey bees.
APPEARS IN
संबंधित प्रश्न
E is the gene for brown eye colour and an is the gene for blue eye colour. which gene is (1) recessive, and (2) dominant?
Which combination of genes in the zygote will produce children with blue eyes?
Define the following:
Autosomes
What is haplodiploidy?
What is Lyonisation?
Explain the mode of sex determination in honeybees.
If a normal cell of the human body contains 46 pairs of chromosomes then the numbers of chromosomes in a sex cell of a human being is most likely to be ______
All human chromosomes ate not paired. Most human chromosomes have a maternal and a paternal copy, and we have 22 such pairs. But one pair called the sex chromosomes, is odd in not always being a perfect pair. Women have a perfect pair of sex chromosomes. But men have a mismatched pair in which one is normal sized while the other is a short one.
(a) In humans, how many chromosomes are present in a Zygote and in each gamete?
(b) A few reptiles rely entirely on environmental cues for sex determination. Comment.
(c) "The sex of a child is a matter of chance and none of the parents are considered to be responsible for it." Justify it through flow chart only.
OR
(c) Why do all the gametes formed in human females have an X chromosome?
A zygote which has Y chromosome inherited from the father will develop into a ______.
