One of the examples of two analogous organs can be wings of parrot and:
Filler of whale.
Foreleg of horse.
Front leg of frog.
Wings of housefly.
Answer
Wing of parrot and wing of housefly are analogous organs. Analogous organs perform the same function, but their origins are different. Wings of parrot and wings of a housefly perform the function of flying. But the parrot’s wings are originated from the mesoderm and are supported by bones while the housefly’s wings are ectodermal in origin are supported by the chitinous structures.
A gene is a unit of DNA on a chromosome which governs the synthesis of one protein that controls a specific character of an organism. Thus genes are actually units of heredity which transfer characteristics from parents to their offsprings during reproduction.
State the unit of hereditary material found in all living organisms.
Answer
DNA, or deoxyribonucleic acid, is the hereditary material in humans and almost all other organisms. Nearly every cell in a person's body has the same DNA.
Identify male and female in the figures given below. Also fill in the blank 3 to 8 and then clarify about the misconception that mother and not father is responsible for bearing daughters and not sons.