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malfutka [58]
2 years ago
7

Help please don't know the answer​

Biology
2 answers:
Strike441 [17]2 years ago
7 0
<h2>Answer:A</h2><h2>All life on Earth stores its genetic material inside the nuclei of its cells. </h2>

All life on Earth has DNA. All life on Earth has the same set of mutations in its genes

Katena32 [7]2 years ago
7 0
Obviously A
Hop it helped:)
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If a germ-line cell from a frog contains 10 picograms of DNA during G1 of interphase, then how many picograms of DNA would be pr
DIA [1.3K]

Answer:

10

Explanation:

The cell cycle is composed of three states: interphase, cell division and resting.

The interphase is composed of 3 phases: G1, S and G2 (in this order). During this state the cell prepares itself  for cell division. As part of the preparation the cell duplicates all its genetic material, that is, all its chromosomes. This duplication is done during the phase S.

During the meiotic cell division (composed of meiosis 1 and meiosis 2) a single diploid mother  cell (with duplicated chromosomes) produces four haploid daughter cells. the meiosis 1 produces two haploid cells with duplicated chromosomes, and the meiosis 2 produces 4 haploid cells with normal chromosomes (no duplicated).

If a germ-line cell from a frog contains 10 picograms of DNA during G1, then this cell will have 20 picograms of DNA before the product of the first meiotic division, and will have 10 picograms at the begining of the meiosis 2 (i.e prophase II)

7 0
3 years ago
The public is not yet able to purchase cars powered by hydrogen fuel cells because engineers have to determine how the cars perf
alukav5142 [94]

Answer:

B - In real world conditions

Makes the most sense.....

5 0
3 years ago
Read 2 more answers
The model shows the process of binary fission.
slava [35]

Answer:

<em>The correct option is B) Binary fission maintains genetic continuity because the daughter cells contain the same number of chromosomes as the parent cell.</em>

Explanation:

Genetic continuity can be described as a fact that the daughter cells have the same amount and same type of genome as the parent cell. It includes the transfer of parental traits to children.

Binary fission can be described as a process of division which bacteria divides. Two daughter cells are produced as a result of binary fission. Each daughter cell is identical to the parent cell and hence maintains genetic continuity.

5 0
3 years ago
Which of the following best defines an autotroph
Nat2105 [25]

Answer:

autrophic organisms obtain water,carbon dioxide and minerals from their environment and prepare their food which is then used for growth and energy.Autrophic organisms carry out photosynthesis and can prepare their food.They are not independent on other organinsms for their fodd and nutritione.g. photosynthetic plants and some bacteria etc

Explanation:

i hope this will help you:)

3 0
2 years ago
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What is the difference between heterozygous and homozygous individuals? What is the difference between heterozygous and homozygo
Anuta_ua [19.1K]

Answer:

All of the gametes from a homozygote carry the same version of the gene while those of a heterozygote will differ.

Explanation:

A heterozygous individual carries both dominant and recessive alleles of a gene while a homozygous individual carries two copies of either dominant or recessive alleles of a gene. For example, the genotype TT and tt have two copies of dominant and recessive alleles respectively and are therefore homozygous genotypes. On the other hand, the genotype "Tt" is a heterozygous genotype.

An individual with a homozygous genotype would produce all the gametes having the same allele of the gene. The homozygous genotype "TT" would produce all the gametes with one copy of the "T" allele. An individual with a heterozygous genotype makes two types of gametes. The genotype "Tt" would produce 50% gametes having a "T" allele and rest 50% having a "t" allele. Segregation of alleles during meiosis produces different types of gametes in a heterozygous Individual.

4 0
3 years ago
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