In the second generation, an individual must have two copies of a recessive allele to express the trait if a trait is recessive.
Explanation:
Mendel stated the visible form as dominant trait and hidden form as recessive trait. During second generation the plants are allowed to fertilize the hidden form of the trait that appeared in most of the plants.
Only the individuals with an genotype will represent a recessive trait and hence the offspring should receive one recessive allele from each parent to exhibit a recessive trait.
If the two copies of the gene in an organism are identical and have same allele is called homozygous. If an organism has two different alleles of the gene is called heterozygous.
Answer:
Taxonomy is the grouping and naming or classifying the organisms on their specific characteristics they shared with a similar organism in several taxonomic ranks.
Tradition taxonomy was initially based on the morphology, however, it is now based on the shared characters and similarities on their genetics like DNA and RNA level.
The traditional taxonomy was not just based on the morphology however it is the major factor and influencing factor. Habitat, niche, morphology, are the major other factors.
Answer:
Both osmosis and diffusion are examples of passive transportation wherein energy does not need to be exerted to produce an effect. Both are also a means to make the concentration of two solutions equal. Here, we will discuss how osmosis and diffusion differ from each other.
Osmosis - is the process where liquid moves from a higher region of concentration to a lower region of concentration through a semipermeable membrane. Usually, the solvent or liquid involved in this process is water. Osmosis is an essential process that helps animals transport nutrients and maintain water on a cellular level, as well as help plants absorb water from the soil.
Diffusion - is the movement of particles from a higher region to a lower region of concentration. These particles can be solid, liquid, or gas. Unlike osmosis, particles do not move through a semipermeable membrane. It is a faster process than osmosis, which is quite slow. Diffusion is important because it allows processes like exchange of gases when animals respire or assists in transpiration and photosynthesis for plants.
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