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Paraphin [41]
3 years ago
9

Why are people who have poor dna repair mechanisms at greater risk for cancer development? select one:

Biology
2 answers:
VLD [36.1K]3 years ago
5 0
C: Their somatic mutations are more likely to be permanent. (Feel free to vote me as brainiest!)
dsp733 years ago
4 0

Answer: The correct answer is C. Their somatic mutations are more likely to be permanent.

Somatic mutations are not inherited. Somatic mutations may occur in any of the body cells except the germ cells which are eggs and sperms. The alterations in somatic cells can sometimes lead to cancer or some other disease. These somatic cells play a crucial role in transforming the normal cells into cancerous cells. The cancer progression depends upon point and chromosomal mutations accumulation in the cellular lineage. The spreading of the somatic mutations depends on several factors such as rate of mutation, the history of the number of cell divisions of a cellular lineage and the competitive nature of different cellular lineages.


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You have mated a phenotypically wild-type female of the genotype Xy+w+Xyw to a male with the genotype XywY. You counted 2205 tot
Vinil7 [7]

Answer:

1.31 cM

Explanation:

Total offspring = 2205

Since two genes are involved, F1 progeny should have four types of combination. Out of them two are 17 and 12 which definitely means they are in lesser number. Since recombinants are always less than parental progeny in linkage, the given two types are recombinants.

Recombination frequency = (Number of recombinants / Total progeny) * 100

= [ ( 17 + 12 ) / 2205 ] * 100

= ( 29 / 2205 ) * 100

= 1.31 %

Map distance = Recombination frequency

Hence, distance between two genes = 1.31 cM

6 0
4 years ago
This diagram shows types of ecosystems near the Sonoran Desert and
Luda [366]
Thornscrub has well-illustrated dry and wet seasons, with the majority of the wood plants showing drought deciduousness. Thornscrub is a transitional biome between the tropical and desert forest. The thornscrub ecosystem belongs to shrubland. The scrubland, shrubland, brush, scrub, or bush refers to a plant community featured by the vegetation subjugated by shrubs, generally also comprising herbs, grasses, and geophytes. The shrubland may take place either naturally or due to human activity.
7 0
3 years ago
Read 2 more answers
Water's _____ property creates positive and negative ions, which are essential for chemical reactions.
matrenka [14]
Water's ionization property creates positive and negative ions, which are essential for chemical reactions.
7 0
4 years ago
Consider the generalized cladogram of fish. A fossilized fish is found that has jaws but no true bones. Where does this fossil b
vekshin1

Answer:

B

Explanation:

It would not be D because D is the location of a common ancestor, AKA an animal that does not haver jaws or bones. It would not be C because the question states that the fish has jaws, and C does not have jaws since the arrow does not point to that. It would not be A because the question states the fish has "NO TRUE BONES", meaning that there are no bones present. And in A, there is the bones arrow pointing to it, meaning that A has bones since that trait is on the same horizontal line as A. Only leaving us with option B left, since it came from an ancestor with jaws but not from an ancestor with bones. Sorry, I'm not the best with explaining but hopefully that makes sense why it is B, it's like a family tree, you just have to follow it carefully :) I hope that helps

7 0
4 years ago
Is Algae considered a heterotroph or an autotroph? ​
Dmitry [639]

Answer:

it's considered autotrophic ;)

7 0
3 years ago
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