Answer:
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Explanation:
Answer:
1. Cervical
2. Lumbar
Explanation:
Spinal enlargements are the conspicuous regions in the spinal cord from where spinal nerves to and from limbs exit and enter respectively. Cervical enlargement is also called the superior enlargement. It starts from C4, the fourth cervical vertebra and extends to T1, the first thoracic vertebra. Cervical enlargement is the site from there the nerve that supplies to and come from the upper limbs arise.
Another enlargement is the lumbar enlargement. It is also called inferior enlargement or lumbosacral enlargement and extends from the ninth to the twelfth thoracic vertebra. It is the site from where the nerves to and from the lower limbs arise.
Clostridium, Bacteroides, and the methane-producing archaea (methanogens), are called obligate anaerobes because their energy-generating metabolic processes are not coupled with the consumption of oxygen.
Answer:
Father - AO
Mother - AO
Baby - OO
Explanation:
This question involves blood type in humans where blood types A and B are dominant over blood type O, but A and B codominant. In this blood group system:
- Genotypes AA and AO are phenotypically type A
- Genotypes BB and BO are type B
- Genotype AB is type AB
- Genotype OO is type O
According to this question, a man with type A blood marries a woman with type A blood. They have their first child as type O blood. This means that both parents of this child are heterozygous type A i.e. AO and AO. This is the only way the parents can have a child with type O (genotype OO). Hence,
Father - AO
Mother - AO
Baby - OO
Answer:
Postive
Explanation:
Because its the food chain
