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agasfer [191]
3 years ago
6

I also don’t know how to do Punnett squares.

Biology
1 answer:
NNADVOKAT [17]3 years ago
6 0

Answer: it’s different ones . which ones

Explanation:

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The suprachiasmatic nucleus influences the release of melatonin by its effect on the ________________.
anyanavicka [17]

Answer:

Pineal gland

Explanation:

The suprachiasmatic nucleus is the paired nucleus made of about 1000 neurons each in the hypothalamus. The suprachiasmatic nucleus is involved in maintaining the endogenous clock or the internal clock.

The suprachiasmatic nucleus controls the circadian rhythm by controlling the amount of melatonin. The melatonin is produced by the pineal gland from the serotonin and tryptophan precursors.  The hypothalamus thus controls the amount of the melatonin by regulating the pineal gland.

Thus, Pineal gland is the correct answer.

5 0
3 years ago
The rock pocket mouse and human skin color are examples of evolution in that they both?
Crazy boy [7]
A have the MC1R gene and melanin deference
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Genetically-different __________ are the kind of cells made from meiosis.
Bas_tet [7]

Gametes are the genetically different kind of cells which are produced as a result of meiosis. Meiosis is a reductional division in which the chromosomes are reduced to half. Genetic variation in the gametes is due to crossing over between two non-sister chromatids of a homologous chromosomes during meiosis.

7 0
3 years ago
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What is the difference between a lymphocyte and a phagocytel​
Naya [18.7K]

Answer: The main difference between lymphocytes and phagocytes is that lymphocytes generate specific immune responses against pathogens whereas phagocytes generate the same response to any pathogen. This means lymphocytes are the tools of the adaptive immunity whereas phagocytes are the tools of innate immunity

Explanation:

3 0
3 years ago
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Need it done as fast as you can it's do in 4 hours.
vagabundo [1.1K]

Answer no 1:

             sW         sW           sw          sw

Sw    SsWw       SsWw      Ssww    Ssww

Sw    SsWw      SsWw     Ssww      Ssww

sw   ssWw       ssWw      ssww      ssww

sw   ssWw      ssWw        ssww     ssww

The genotype of the parents will be Ssww and ssWw.

About 4/16 offsrings will have the genotype SsWw, 4/16 will have the genotype Ssww. 4/16 will have the gentype ssWw. 4/16 will have the genotype ssww.

About 25% will have the phenotye, smooth and wooly. About 25% will have the phenotype smooth and non wooly. About 25% will have the phenotype non- smooth and wooly. About 25 % will have the phenotype non-smooth and non- wooly.

Answer No 2)

            bT             bT              bT            bT

Bt     BbTt           BbTt           BbTt         BbTt

Bt     BbTt           BbTt           BbTt         BbTt

Bt     BbTt           BbTt           BbTt         BbTt

Bt     BbTt           BbTt           BbTt         BbTt

The genotype of the parents will be BBtt and bbTT.

As seen in the punnet square, the phenotype of all the offsprings born from such a cross will be black trotter.

Answer No 3)

             wd          wd           wd           wd

WD    WwDd    WwDd     WwDd     WwDd

WD   WwDd    WwDd     WwDd     WwDd

WD   WwDd    WwDd     WwDd     WwDd

WD   WwDd    WwDd     WwDd     WwDd

The genotype of the parents will be WWDD and wwdd.

The results of the punnet square illustrate that all of the offsprings will have white flower colour and disc shaped fruit.

Answer No 4)

The phenotypes of the rabbits will be as follows:

Ggbb - Gray hair and red eyes.

ggBB- White hair and black eyes

ggbb - White hair and red eyes.

GgBb - Gray hair and black eyes

Answer No 5)

           Gb        Gb          Gb         Gb

gB     GgBb     GgBb      GgBb    GgBb

gB     GgBb     GgBb      GgBb    GgBb

gb     Ggbb      Ggbb     Ggbb    Ggbb

gb     Ggbb      Ggbb     Ggbb    Ggbb

8 out of 16 offspring will have Gray fur and black eyes.

8 out of 16 will have gray fur and red eyes.

0 out of 16 will have white fur and black eyes.

0 out of 16 will have white fur and red eyes.

8 0
3 years ago
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