Advertisements
Advertisements
प्रश्न
Why only left ovary and oviduct arc present in birds?
Advertisements
उत्तर १
Only left ovary and oviduct are present in birds to reduce body weight and is an adaptation for flying.
उत्तर २
Only left ovary and oviduct are present in birds to reduce body weight and is an adaptation for flying.
APPEARS IN
संबंधित प्रश्न
State the following:
Theory of recapitulation
Transfer of gene between the population that differ genetically from one another is called _____.
(A) Gene mutation
(B) Gene flow
(C) Genetic drift
(D) Genetic recombination
From the visible spectrum of light, which component is reflected by the given leaves?
How would the gene flow or genetic drift affect the population in which either of them happens to take place?
The proportion of an allele in the gene pool to the total number of alleles at a given locus is called _______.
Match the columns and choose the correct option.
| Column I | Column II | ||
| i. | Ecological isolation | a. | Sexually mature at different times of the year |
| ii. | Ethological isolation | b. | Specific mating behaviours |
| iii. | Mechanical isolation | c. | Difference in structure of mating organs |
| iv. | Seasonal isolation | d. | Same geographic region but separate habitat |
Which of the following is TRUE for zygote mortality?
Modem synthetic theory encompasses which of the following concepts?
Identify the INCORRECT statement.
Define the term Chromosomal aberrations.
