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TiliK225 [7]
3 years ago
11

In chickens, rose comb (R) is dominant to single comb (r). A homozygous rose-combed rooster is mated with a single-combed hen. A

ll of the chicks in the F1 generation were kept together as a group for several years. They were allowed to mate only within their own group. What is the expected phenotype of the F2 chicks?
Social Studies
1 answer:
andreev551 [17]3 years ago
7 0

Answer:

25% Homozygous Rose Comb, 25% Homozygous Single Comb and 50% Heterozygous Rose Comb.

Explanation:

For a homozygous rose combed rooster (RR) and a homozygous single combed hen (rr), their first offspring F1 will be 100% heterozygous rose combed which has the genotype of Rr.

If the F1 generation are allowed to mate only among themselves, the second generation offspring, F2, will have 3 different genotypes which are homozygous rose comb (RR), homozygous single comb (rr) and heterozygous rose comb (Rr).

I hope this answer helps.

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Identifying threats and hazards and applying physical, technological, and cyber measures to limit access are examples of capabil
elena55 [62]

Answer:

Protection and Prevention.

Explanation:

In Emergency Preparedness, five missions help during the time of emergency. These are interdependent missions, meaning that none go alone, but together.

The five missions are:

  1. Prevention
  2. Protection
  3. Mitigation
  4. Responding
  5. Recovering

The mission that works in identifying the possible threats and hazards is the Prevention mission. In Prevention mission, preventive measures or planning is done to avoid any possible threat.

Protection mission is the one in which physical, technological and cybersecurity is looked upon.

So, the correct answer is Protection and Prevention.

5 0
4 years ago
Dr. Spiro finds that teen parents develop close relationships with male infants but not with female infants. Three subsequent st
AlladinOne [14]

Answer:

Humility

Explanation:

The scientific attitude of humility is the sense of being open to accept the possible mistakes and error being made in the researches or in the theories and rectifying them.

It also reflects the attitude of respecting the other's ideas and work and willingness to consider them respectfully.

Here, Dr. Spiro found the errors and publishes a retraction of the original results.

6 0
3 years ago
The bureau of labor statistics divides the adult population into two categories: those who are employed and those who are unempl
Westkost [7]

Answer:

B. False is the correct answer.

Explanation:

3 0
3 years ago
PLEASE HELP!!! <br><br> who won the duel between henry conway and robert crittenden?
pogonyaev

Answer:

robert crittenden

Explanation:

he shot him in the chest

6 0
3 years ago
Using complete sentences describe the manufacturing industry in the u.s.
lukranit [14]

Answer:

U.S. manufacturing, a process that is mechanical, physical, or chemical, is the transformation of raw materials into new products.

The raw materials include commodities or components, and it is the second stage of the supply chain. Manufacturing businesses include plants, factories, and mills, and they make their products with power-driven machines and equipment.

U.S. manufacturing is the largest in the world, producing 18.2% of the world's goods—more than the entire economic output of Canada, Korea, or Mexico.

Pls mark as Brainliest

3 0
3 years ago
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