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Anna [14]
2 years ago
13

Which statement correctly describes a strand of DNA

Biology
2 answers:
Karo-lina-s [1.5K]2 years ago
5 0
A nucleic acid that carries the genetic information in cells and some viruses,
consisting of two long chains of nucleotides twisted into a double helix and 
joined by hydrogen bonds between the complementary bases adenine and thymine or cytosine and guanine. 
RoseWind [281]2 years ago
4 0
What are the statement options? 
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A maize plant with genotype Aa Bb produces the following gametes 100 Ab 45 AB 106 aB 50 ab This tells us that the two genes are
bogdanovich [222]

Answer:

True

Explanation:

The linkage relation of two genes can be determined on the basis of calculating recombination frequency.

If the recombination frequency value is greater than 50% then the genes are not linked and if the value is less than 50% then the genes are linked.

In the given question, the  crossover gametes formed will be Ab = 100

and aB= 106.

Therefore,

\dfrac{recombinant\ progenies}{ Total\ progeny}\times 100\\\\\dfrac{100 +106}{100+106+45+50}\times 100\\\\=\dfrac{206}{301}\times 100\\\\= 68.43\%

Since the recombinant frequency value is larger than 50% therefore the genes do not show linkage.

Thus, True is the correct answer.

7 0
3 years ago
URGENT ANSWER ASAP
faust18 [17]

Answer:

uracil

Explanation:

guanine is the other DNA base

3 0
2 years ago
Read 2 more answers
Which of the following is a final product of aerobic respiration? A. pyruvate B. oxygen C. glucose D. carbon dioxide
earnstyle [38]

Answer:

carbon dioxide (and water)

Explanation:

3 0
3 years ago
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How does Pteromyzon differ from scolidon and labeo fishes?
Oduvanchick [21]

Answer:

Due to agnathous, no paired fins and scales.

Explanation:

Pteromyzon fish is different from scolidon and labeo fishes because Pteromyzon fish is not a true fish. The main reason for this is that Pteromyzon fish is agnathous means having no jaws and it doesn't have paired fins and scales on their body while all these features are present on the body of  scolidon and labeo fishes so we can conclude from this discussion that Pteromyzon fish is different from scolidon and labeo fishes.

7 0
2 years ago
HURRY PLEASE I RLLY NEED THIS FOR A SUPER IMPORTANT TEST. The diagram shows a toy car on a number line.
leonid [27]

Answer:

2

Explanation:

cut each line in half it sits on 2 add bars for yey

5 0
2 years ago
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