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Ilia_Sergeevich [38]
3 years ago
7

What feature would you expect to find in a population in which sexual selection depends on female choice?

Biology
2 answers:
Paraphin [41]3 years ago
7 0

Answer:brightly colored males

Explanation: for apex

Arlecino [84]3 years ago
5 0

Answer:

Bright colored males

Explanation:

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large proteins such as albumin remain in capillaries rather than diffusing out, resulting in the _____.
Bumek [7]

Answer:

development of an osmotic pressure difference across capillary walls

6 0
3 years ago
Cells with a full set of chromosomes are referred to as diploid or 2n, whereas cells with half the chromosomes are haploid or n.
Papessa [141]

Answer:

  • Diploid → Prophase, metaphase, and anaphase
  • Haploid → Telophase

Explanation:

During prophase I,  chromosomes get condensed. Each of the chromosomes gets in pair with its homologous one. They do so to make the crossing-over possible, a stage where they interchange their parts → 2n

During metaphase I, each of the homologous pairs is driven to the equatorial plane, where they randomly line up → 2n

During anaphase I, occurs the independent separation of homologous chromosomes that migrate to opposite poles of the cell. This separation generates different chromosomal combinations in the daughter cells. There are two alternatives per homologous pair → 2n  

In telophase I, half of the chromosomes are already in one of the poles, while the other half is on the other pole. Each group of chromosomes has now half the number of the original cell. The nuclear membrane forms again in each pole → n

Finally, occurs cytokinesis, which involves the invagination of the cell membrane and cytoplasmic division.

The two new cells are ready for meiosis II.

3 0
3 years ago
How long can you live without oxygen?
Sliva [168]

Answer:

0

Explanation:

You cant, not because of breathing but because of O3 and atmosphere. If there is no oxygen all things will instantly crash.

3 0
3 years ago
Read 2 more answers
What is meant by trophic levels?
Rasek [7]

Answer:

The position it holds in the food chain

Explanation:

A food chain is a succession of organisms that eat other organisms and may, in turn, be eaten themselves.

5 0
3 years ago
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
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