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Alex Ar [27]
4 years ago
12

What are the ancestors of the rat

Biology
2 answers:
lubasha [3.4K]4 years ago
8 0

Answer:

I wolud prefer saying rodents.

Explanation:

vazorg [7]4 years ago
5 0
Me bcuz im look and walk like a art
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Which two political parties participated in the Election of 1828?
kumpel [21]

Democratic Republicans and National Republicans

4 0
3 years ago
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Si una población crece mucho otra vez después de un cuello de botella con el paso del tiempo aumentará diversidad genética ¿por
sammy [17]

Answer:

los mecanismos capaces de generar diversidad actúan para incrementar la variabilidad genética en la población que sufrió el cuello de botella

Explanation:

Un cuello de botella se refiere a una reducción drástica en el tamaño de una población (por ejemplo, debido a una catástrofe natural). Un cuello de botella es un fenómeno que está asociado a la ​reducción en la variación genética y fijación de ciertos alelos en la población resultante, lo cual es causado por la deriva genética, es decir, debido al muestreo al azar de los individuos que formarán la población en la siguiente generación. Paulatinamente, los mecanismos capaces de generar variabilidad genética aumentarán nuevamente la diversidad de la población que sufrió el cuello de botella. En una población de reproducción sexual, la variación genética se genera mediante cuatro procesos diferentes: 1-mutación (es decir, la aparición de nuevos alelos debido a alteraciones en la secuencia de ADN); 2-recombinación (es decir, el intercambio de información genética entre cromátidas no hermanas durante la meiosis); 3-segregación independiente de cromosomas durante la meiosis (capaz de producir nuevas combinaciones de alelos) y 4-fertilización al azar (lo cual también incrementa el número de combinaciones entre gametos que darán lugar a un nuevo individuo).

4 0
3 years ago
What would happen to species if it stopped reproducing?
meriva

Answer:

If animals stop reproduction, there will less variety, fewer food options and they will eat each other. There will be no meat for humans and eventually life will extinct from this planet.

Explanation:

8 0
3 years ago
Read 2 more answers
classify if the recessive allele fibrosis is represented as c classify fibrosis is represented as c,classify the following genot
IrinaVladis [17]

Complete question:

If the recessive allele for cystic fibrosis is represented as c, classify the following genotypes as homozygous dominant, homozygous recessive, or carriers: CC,Cc, and cc. State which one has the phenotype of cystic fibrosis.

Answer:

CC - homozygous dominant

cc - homozygous recessive

Cc - carriers

cc will have the phenotype

Explanation:

Cystic fibrosis is an autosomal recessive disorder that affects the production of mucus in the body, primarily affecting the lungs and digestive system.

Because it is autosomal recessive, an affected individual needs to inherit 2 copies of the faulty gene. The presence of just one normal copy of the gene is sufficient not to cause the disease

In genetics, the dominant allele is usually displayed as a capital letter and the recessive as a small letter. Homozygous means someone has 2 copies of the same allele, heterozygous means they have different alleles. Therefore, CC - homozygous dominant, cc - homozygous recessive, and Cc - carriers. Only those with a cc genotype will be affected, as the presence of one dominant allele is enough to block the phenotype

7 0
4 years ago
When cloning a gene, one of the steps is to use restriction enzymes to insert the gene of interest into a vector. If you separat
nikitadnepr [17]

The question is incomplete as it does not have the options which are:

The empty vector would migrate the same distance as the cloned vector.

It is impossible to know without knowing the identity of the gene of interest.

The empty vector would migrate farther down than the cloned vector.

The cloned vector would migrate farther down than the cloned vector.

Answer:

The empty vector would migrate farther down than the cloned vector.

Explanation:

In recombinant technology, an empty vector is considered a vector which is present without the gene of interest and thus is of small size and the cloned vector is the vector which has a gene of interest along with the usual sequence.

The cloned vector is larger compared to the empty vector as the cloned vector has a gene of interest whereas the empty vector does not have.

In-gel electrophoresis technique, the DNA samples are run and the size of the fragment is known according to the ladder sequence which is used as a reference and have the band size in increasing order from lower side to upper side.

When the vectors sun on the gel, the small size gene will move faster and to the farthest distance compared to the larger DNA that is empty vector will cover the maximum distance while the cloned vector will cover the less distance.

Thus, the selected option is correct.

7 0
3 years ago
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