Answer: The offspring contain one one set of chromosome from the mother and one from the father.
Explanation: During sexual reproduction, when the egg and sperm meet, the sperm contains 23 chromosomes and the egg also contains 23 chromosomes. Together the chromosomes combine, accounting for the genetic information in the offspring.
Excited electrons are those which temporarily occupy a state higher than their ground state
The electron is excited if it is given extra energy, such as when a photon, or packet of light, absorbs it or if it collides with an atom.
Answer:
Option (C).
Explanation:
Osteoarthritis may be defined as the one of the most common form of arthritis that affects the joints of knees and hands. The symptoms of arthritis are stiffness, pain and loss of flexibility.
The articular cartilage get degenerated, thickening of synovium and the breakage of bone under the cartilage. Maintenance of healthy weight and proper treatment can reduce the risk of disease.
Thus, the correct answer is option (C).
Where 2 carriers of recessive gene have a child, that child has a 1 in 4 chance of receiving 2 albinism genes and having albinism.
Answer:
Eukaryotes
Explanation:
The protista are not classified under animal, plant or fungus category. They are mostly unicellular but some protists for example, algae are considered as muticellular. The multicellular protists like seaweed provides oxygen, food and shelter for various ecosystems under water. The seaweed is similar to a plant but not categorized under plantae kingdom as it is less complex as compared with plants.
They are generally heterotropic that means they gain energy by consuming other organisms. The protists can also obtain energy by photosynthesis that is heterotropic in nature.
