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SVETLANKA909090 [29]
3 years ago
15

PLEASE HELP. ILL GIVE BRAINLIEST

Biology
1 answer:
padilas [110]3 years ago
3 0

Answer:

the second one is The transfer of alleles into or out of a population.

Explanation:

gene flow (also known as gene migration or allele flow) is the transfer of genetic variation from one population to another.

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Upon examination, a cell is found to have twice as much DNA as the normal diploid state but is no longer in the process of repli
swat32

Answer:

D. G2 phase

Explanation:

The G2 phase is last phase or stage that occurs in the metabolic phase of a cell cycle also know as the Interphase.

The G2 phase is referred to as the cell division phase in a cell cycle. It is a phase whereby twice as much DNA as the normal diploid state is found in the cell but is no longer in the process of replicating the DNA and all of the DNA is found within a single nucleus.

4 0
3 years ago
Which group of minerals are the most abundant in the earth's crust?
maksim [4K]
More than 90% on the crust is composed of silicate minerals. Most abundant silicates are feldspars<span> (</span>plagioclase<span> (39%) and alkali feldspar (12%)). Other common silicate minerals are </span>quartz<span> (12%) </span>pyroxenes<span> (11%), </span>amphiboles<span> (5%), micas (5%), and clay minerals (5%).</span>
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3 years ago
A dichotomous key for insects is given. To what order does an insect with two pairs of scaly wings belong?
LiRa [457]

Answer: B) lepidoptera

Explanation:

The insect falls into the category on step one for two wings, and in step two falls into the category for lepidoptera.

7 0
4 years ago
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8. What is the broadest level of the Linnaean classification system?
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The frequency of a lethal allele in a population is greatest when it is: Group of answer choices dominant manifested in infancy
bonufazy [111]

Answer:

recessive

Explanation:

A lethal allele is a gene variant associated with a mutation in an essential gene, which has the potential to cause the death of an individual. In general, lethal genes are recessive because these alleles do not cause death in heterozygous individuals, which have one copy of the normal allele and one copy of the allele for the lethal disease/disorder. In recessive lethal diseases, heterozygous individuals are carriers of the recessive lethal allele and can eventually pass the 'defective' allele on to offspring even though they are unaffected; whereas dominant lethal diseases are caused by dominant lethal alleles, which only need to be present in one copy to be fatal. In consequence, the frequency of recessive lethal alleles is generally higher than dominant lethal alleles because they can be masked in carrier individuals. Some examples of human diseases caused by recessive lethal alleles include, among others, Tay-Sachs disease, sickle-cell anemia, and cystic fibrosis.

7 0
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