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Artyom0805 [142]
3 years ago
9

True or false: The sequence of nucleotides in DNA codes for proteins and is key to cell function and life.

Biology
2 answers:
kondaur [170]3 years ago
4 0
The answer is true for both 13 and 14. im not positive but i have just recently gone over this.
Dmitry [639]3 years ago
3 0

13. true

14 true


i hope this helps you

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The sum of all genetic traits in a population’s individuals at any given time:
navik [9.2K]
Gene pool
Sum of a population's genetic material at a given time.
The term typically is used in reference to a population made up of individuals of the same species and includes all genes and combinations of genes (sum of the alleles) in the population.
7 0
1 year ago
How does independent assortment during Metaphase 1 help produce diversity in gametes (eggs and sperm)?
Svetach [21]

Answer:

a. There are different possible ways that homologous pairs might line up

c. Different alignments of homologous pairs will cause different combinations of alleles in gametes.

Explanation:

The law of independent assortment, proposed by Mendel, states that the alleles of one gene segregate into gametes independently of the alleles of another gene. This means that the segregation of one gene does not affect another. This law of independent assortment is evident during gamete formation in sexually-reproducing organisms know as meiosis. Specifically, in the Metaphase 1 stage of meiosis 1, homologous chromosomes (similar but non-identical chromosomes received from each parent) lines up at the metaphase plate (cell equator).

The lining up of chromosomes in this stage occurs randomly making it possible for chromosomes to align in different possible ways. The way/manner the chromosomes align at the equator determines which chromosome combination gets separated into which gamete. The homologous chromosomes are randomly distributed at the cell's equator before segregates into gametes. This random orientation enables the alleles of each gene on a chromosome to combine in different random ways, hence, allowing genetic diversity in the resulting gametes (sperm and egg) they get segregated into.

6 0
3 years ago
a warming global climate can create hot and dry regions. it can also contribute to natural CO2 emissions. For example, lighting
motikmotik

<em>b. wildfires</em>

<em>b. magnified the greenhouse effect</em>


The first blank is pretty simple; if lightning (electricity) strikes something flammable, like a forest, a fire is sure to ensue. This fire will obviously spread to the other trees and cause a massive wildfire.

The second blank is the greenhouse effect. The greenhouse effect is said to have caused our warming climate, which makes sense because heat from the sun gets trapped in our global "greenhouse", or the lower atmosphere. Lower atmosphere is key here because a large event like a massive wildfire can add some more heat to the atmosphere and contribute to this effect. A wildfire may seem like a minor event on a global scale, but it will do more damage to the atmosphere than you think!

9 0
2 years ago
Read 2 more answers
In Labrador dogs, black coat is dominant to chocolate, normal vision is dominant to progressive retinal atrophy (PRA), and norma
AVprozaik [17]

Answer:

In Labrador dogs, black coat is dominant to chocolate, normal vision is dominant to progressive retinal atrophy (PRA), and normal hip joint is dominant to hip dysplasia. All these genes assort independently. Two dogs that are heterozygous for alleles of all three genes are crossed. Using rules of probability (not a Punnett square), what is the chance that the first pup born to these dogs will be chocolate, have normal vision, and have normal hip joints?

BbVvHh x BbVvHh= BBVVHH, BbVvHh, BbVvHh, bbvvhh

Bb= black coat dominant

Vv= Normal vision dominant

Hh= Normal hip join dominant

probability of having a first born of these dogs will be chocolate, have normal vision and have normal hip joint is 0

Explanation:

As the punette square gives 3:1 phenotype having three black coat, normal vision and normal hip joint and one chocolate, progressive retina altropy and hip dysplasia

3 0
3 years ago
Pls help................................
Svetach [21]

Answer:

from the lens

Explanation:

it easy gasbbsbsbbsbsbsbbsbsbssbsbssbsbsbbbssbsnns

3 0
3 years ago
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