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seraphim [82]
3 years ago
13

What is the relationship between mutation, the cell cycle, and cancer? Select all statements that apply.

Biology
1 answer:
OverLord2011 [107]3 years ago
5 0
Cancer is a mutation of multiple cells through the cell cycle. cancer doesn’t only effect one cell, but effects many
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What are two parts of sexual reproduction that produce genetic variation
forsale [732]

Answer:

  1. Independent assortment of chromosomes
  2. Crossing over

Explanation:

Independent assortment of chromosomes

We each have a diploid genome that is used to make haploid gametes. The selection of which combinations of chromosomes (and the particular alleles they hold) that are passed on to the gametes is random. I.e. 1 gamete could have the paternal chromosomes 1, 4, and 6, and maternal 2, 3 and 5. Another gamete could have paternal 2, 4, and 6, and maternal 3 2 and 5.

This produces unique combinations of alleles that are passed onto the next generation after sexual reproduction.

Crossing over

Crossing over occurs when homologous chromosomes pair up and align during meiosis. When this happens, they can exchange genetic material at homologous sites. This means that even <em>within </em>chromosomes, there are new combinations of alleles being created to pass on to the gametes before sexual reproduction. That is, each chromosome will have chunks of maternal and chunks of paternal DNA.

Both of these features increase genetic variation by two mechanisms, and this is occurring in two individuals, producing genetically diverse offspring.

3 0
3 years ago
A condition in the environment that can restrict a population's growth is
Anika [276]
Limiting factors are resources or other factors in the environment that can lower the population growth rate. Limiting factors include a low food supply and lack of space. Limiting factors can lower birth rates, increase death rates, or lead to emigration.
3 0
2 years ago
Why is human blood type an example of multiple alleles? codominance?
Yanka [14]
It is because when alleles show a co-dominant relationship , neither allele is dominant and both are expressed in the phenotype of the heterozygote. The human ABO blood groups provide a good example of codominace. The ABO system is due to a gene that codes for molecules on the surface of red blood cells
8 0
3 years ago
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Mr. Thompson needs to move two large boxes of toys from the store to his house. The first box measures 6 ft long × 4 ft tall × 5
scoundrel [369]
C because it’s right
4 0
3 years ago
Most organisms contain the same codons.<br> o true<br> O false<br> DONE
docker41 [41]

Answer:

True.

Explanation:

Almost all organisms have the same codons. These codons make them unique so having the same ones means each organism has a shred of uniqueness.

4 0
3 years ago
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