Advertisements
Advertisements
Question
The palisade cells of a species of plant contain 28 chromosomes. How many chromosomes will there be in each gamete produced by the plant?
(a) 56
(b) 28
(c) 14
(d) 4
Solution
Palisade cells of leaves are somatic cells. Each gamete produced by the plant will have half the number of chromosomes present in a palisade cell i.e. 14 chromosomes.
APPEARS IN
RELATED QUESTIONS
Will geographical isolation be a major factor in the speciation of a self-pollinating plant species? Why or why not?
List four factors responsible for speciation.
Which of the following represent tall plants and which represent short plants (or dwarf plants)?
(a) Tt
(b) tt
(c) TT
Give reason for your choice (The symbols have their usual meaning).
State one advantage of variation to a species.
Why are human beings who look so different from each other in terms of size, colour and looks said to belong to same species?
Name five varieties of vegetables which have been produced from 'wild cabbage' by the process of artificial selection.
Give an example of characteristics being used to determine how close two species are in evolutionary terms.
How are those species which are now 'extinct' studied?
The human species has genetic roots in ______
Add a note on sympatric speciation.
