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Ronch [10]
3 years ago
7

A farmer chooses to breed the cows that produce the most milk rather than the cows that produce less milk. This is an example of

Biology
2 answers:
PtichkaEL [24]3 years ago
5 0

The answer is B. artificial selection. Artificial selection is . a process in the breeding of animals and in the cultivation of plants by which the breeder chooses to perpetuate only  forms that have certain desirable inheritable characteristics (such as, in this case, cows that produce the most milk).

leva [86]3 years ago
5 0
B. Artificial selection
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n mice, dwarfism is caused by an X-linked recessive allele, and pink coat is caused by an autosomal dominant allele (coats are n
nexus9112 [7]

Answer:

The probability of getting a dwarf and pink female is 1/2

Explanation:

In mice, dwarfism is caused by an X-linked recessive allele, and pink coat is caused by an autosomal dominant allele where coats are normally brownish.

A dwarf female from a pure line will have Xd Xd where d represent the  recessive trait and the female is also brownish (pp).

A pink male from a pure line will be XPY where P represent the dominant allele but not a dwarf (D).

            Xd             Xd                            Xp          Xp

XD       XDXd        XDXd             XP    XPXp     XPXp    F1 generation

Y           XdY           XdY                Y     XpY        XpY

P        XDXd   x    XdY                        XPXp    x    XpY

           XD         Xd                               XP              Xp

Xd     XDXd    <u>XdXd</u>                  Xp    <u>XPXp</u>         XpXp         F2 generation

Y        XDY        XdY                   Y       XPY          XpY

The probability of getting a dwarf and pink female is 1/2

5 0
3 years ago
Both gametogenesis events (spermatogenesis in males and oogenesis in females) involve meiosis with the same number of gametes pr
DaniilM [7]

<span>It isn't genuine that in both gametogenesis occasions, which is known to be spermatogenesis in guys and oogenesis in females, may include meiosis with a similar number of gametes delivered when finished. Gametogenesis is known to be a procedure in which cells experience meiosis to shape gametes.</span>

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J'aurais besoin d'aide pour ce devoir de SVT 2nd
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Answer:

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2 years ago
Which proteins is used as a chemical defense at body surfaces?
UNO [17]

Answer: Antimicrobial proteins.

Explanation:

Antimicrobial proteins are the type of proteins produced by the keratinocytes on the body surfaces. These proteins acts as the barrier and kills the microorganism which is trying to enter the body.

These are larger proteins containing more than 100 amino acids. They are often lytic in nature.

The cell membrane of the microbes is disrupted by the action of these amino acids or proteins on them.

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The process of moisture being released from the leaves of trees and plants into air
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