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insens350 [35]
3 years ago
8

What does the FDA think drug companies will do regarding voluntary label changes on antibiotics for livestock?

Biology
1 answer:
Darina [25.2K]3 years ago
3 0
FDA stands for Food and Drug Administration, a federal agency that is mainly responsible in the checking for the efficacy of food supply, cosmetics, and other products that are for human consumption. Their main role is ensure the safety of the people. And for the FDA, they think that the drug companies will comply the new recommendations regarding the label changes on antibiotics for livestock.
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In chickens, congenital baldness results from a Z-linked recessive gene. A bald rooster is mated with a normal hen. The Fi from
yanalaym [24]

Answer:

<h2>E. normal roosters & hens and bald roosters & hens.</h2>

Explanation:

The sex chromosomes of the chickens are represented by ZZ for male chicken that is rooster and ZW for the female chicken that is hen.

In the given question, the genotype of the bald rooster is zz and the genotype of the normal hen is ZW.

So the F1 progeny are, Zz that is normal male and the zW that is bald female.

So F1 × F1

                        Zz × zW

Thus, F2 progeny are Zz ( normal rooster), zz ( bald rooster), ZW ( normal hen), zW ( bald hen).

             

6 0
3 years ago
TGC TAC GGC AAG transcribed into RNA
chubhunter [2.5K]

Answer:

sorry I don't know understand

7 0
4 years ago
Which ecosystem has the least biodiversity? (1 point)
xxMikexx [17]

Answer:

Explanation:

Answer: Cornfield

Well in a cornfield, its only corn and if your a hebirvore, its heaven there, but for canviroe's it doesnt work out to well, also corn field's are normally in a farmer's land, so meat eating animals dont really liketo go there, or they migth get shot

5 0
3 years ago
Read 2 more answers
Dihybrid crosses can be used to predict two independent alleles in the future generation. In echidnas, the allele for brown fur
Mrac [35]

Answer:

25% of the offsprings will be BBCC

Explanation:

This is a typical dihybrid cross involving two distinct genes. One coding for fur colour and the other for claw sharpness. The allele for brown fur (B) is dominant over the allele for black fur (b) in the first gene while the allele for sharp claws (C) is dominant over the allele for dull claws (c) in the second gene.

In a cross between parents with genotypes: BbCc x BBCC , each parent will produce four possible allelic combinations of gametes as follows:

BbCc: BC, Bc, bC, bc

BBCC: BC, BC, BC, BC

Using these gametes in a punnet square (see attached image), 16 possible offsprings will be produced with four distinct genotypes:

BBCC (4)

BBCc (4)

BbCC (4)

BbCc (4)

According to the question, an offspring that is homozygous dominant for both traits will possess a genotype: BBCC

N.B: Homozygous dominant means contains same alleles for the dominant trait.

Hence, offsprings with genotype, BBCC, from this cross are expected to be 4 out of the 16 possible offsprings. Hence, the percentage is 4/16 × 100 = 25%.

8 0
4 years ago
Agribusiness is the concept of small farms selling crops each year to earn a meager living.
Oliga [24]
False. Agribusiness is agriculture conducted on a large, commercial scale.
3 0
3 years ago
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