Answer:
C. Mendel hypothesized that the traits of pea plant offspring are inherited.
Explanation:
A. After years of research, Mendel identified the genes for flower colors. False. During Mendel's research, genes were not yet discovered.
B. Mendel bred various dog breeds to discover the science of genetics. False. Mendel worked with pea plants, not dogs.
C. Mendel hypothesized that the traits of pea plant offspring are inherited. True. Mendel uncovered the main principles of the inheritance of simple traits.
D. Using Punnett squares, Mendel developed the principles of genetics. False. The Punnett square was invented by Reginald C. Punnett,
Answer:b) Caenorhabditis
Explanation:
The C.elgans is a species of Caenorhabditis. It is a namatode which can be male or hermaphrodite. It lays 1000 of eggs which can be used for the purpose of research studies. These worms share common genes and molecular pathways like in humans.
Many of the genes present in C. elegans have functional counterparts as that of humans which makes them useful for determining the cause of human diseases. The mutant forms of genes of C.elegans can be used for screening the thousands of drugs. The genes have been used to determine the effects of ageing in humans, cancer, diabetes and other diseases.
Due to above reasons the C.elegans are considered as model organisms.
Answer:
Dams can be damaged and may require repair
Explanation:
This is imperative to provide needed supports and maintenance for the aging dams,with capacity of up to 11,000. This dams were created as far back as 1948.Therefore the programme was geared towards effective re-habitation for maximum efficiency.
This repair programmes was termed Dam Rehabilitation Programme.And the secretary of Agriculture was given the authority to ensure effective execution of the programme.
In the state of Virginia,a total of 150 dams were part of the government landscape through the rehabilitation programme, and 11 of these have been well studied. .Todd Lake,Robinson Hallow, Lake Barton are some of these examples.
