Answer:
There is no variation occurs in the offspring produce from male Drosophila.
Explanation: Crossing over is the key to variation in the organisms because parts of two different chromosomes are replaced with each other. This crossing over only exists in the sex cells or meiosis of cell division. In meiosis, the cell is divided into four daughter cells having half number of chromosome. These cells are not identical to each other due to crossing over.
Answer:
The Three Domain System, proposed by Woese and others, is an evolutionary model of phylogeny based on differences in the sequences of nucleotides in the cell's ribosomal RNAs (rRNA), as well as the cell's membrane lipid structure and its sensitivity to antibiotics. Comparing rRNA structure is especially useful.
Explanation:
Mark as brainliest
The answer is tectonic waves. Tectonic referring to the plates that create earths surface.
Answer: A and C
Explanation:
The human eye color is a trait that forms a wide range of states instead of two distinct states. Fully attached earlobes is a recessive trait that is seen in very rare cases.
