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Sonja [21]
4 years ago
13

Where are the central chemoreceptors located? where are the central chemoreceptors located? aorta carotid arteries medullary ret

icular formation both the carotid arteries and the aorta?
Biology
1 answer:
SSSSS [86.1K]4 years ago
5 0
Answer:

Ventral Surface of medulla, near point of entry CN, IX, and X.



Hope this helps
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A couple without an ancestral history of Tay-Sachs disease (a rare autosomal recessive) have two normal children and an infant a
Bas_tet [7]

Answer:

The probability is 25%.

Explanation:

  • Let the dominant allele for the disease be 'T' and recessive allele be 't'.
  • The couple with normal phenotype produces an infant with the Tay Sach's disease.
  • As the disease is autosomal recessive in nature, it will get expressed in a homozygous recessive condition, that is, when the genotype is : tt.
  • As the normal parents are producing a diseased offspring, the both parents must be heterozygous dominant (Tt) for the disease allele.
  • The brother of the husband and the sister of the wife, both having a normal phenotype, can have the following genotypes, TT or Tt.
  • If either of the individual (brother or sister) has TT genotype and the other has other has either TT or Tt genotype, there is zero probability that they will produce an offspring with the disease.

                     T          T                        and                       T            T

             T     TT        TT                                             T     TT         TT

                     (N)        (N)                                                    (N)        (N)

             T      TT        TT                                             t      Tt          Tt        

                     (N)        (N)                                                    (N)         (N)

  • If both the individuals have a Tt genotype, the probability to produce  diseased offspring is one-fourth or 25%.

                                               T             t

                                   T        TT           Tt

                                             (N)           (N)

                                    t        Tt             tt

                                             (N)           (D)

  • (N) stands for normal and (D) stands for diseased phenotype.

           

7 0
4 years ago
in the water cycle water returns to earth as CONDENSATION usually in the form of rain or Snow true or false​
ruslelena [56]
False. rain and snow are forms of precipitation, not condensation. hope this helped!
8 0
3 years ago
How many different types of gametes can be formed by individuals of the following genotypes? What are they in each case a) AaBb
lesantik [10]

Answer: your answer will be three hundred and 15

Explanation:

8 0
3 years ago
Just a few hours after the birth of a baby, the mammary glands start producing milk. Which hormone stimulates this event?
77julia77 [94]
Just a few hours after the birth of a baby, the mammary glands start producing milk.

Prolactin is the hormone that stimulates this event!
4 0
4 years ago
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SCORPION-xisa [38]

In a new environment colonization of the substrate occurs in sequence hence it is common to see growth in biodiversity of the new ecosystem with time. Ecological succession begins with pioneer plants in primary succession. These pioneer plants break down rocks to soil hence releasing bound nutrients and making them available to higher plants up in the succession line. Therefore, in the beginning, one will find plants such as mos, lichens and annual plants such as grasses. The biodiversity will increase to include shrubs, then plants like trees will eventually appear.

4 0
4 years ago
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