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inn [45]
3 years ago
15

WILL MARK BRAINIEST

Biology
1 answer:
MArishka [77]3 years ago
3 0

Answer:

A. Increase

Explanation:

The closer they are the more that they are pulling toward each other, the farther the less they are pulling.

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You are studying two traits in fruit flies:eye color where there are two colors, brown and redwing shape where there are straigh
Irina18 [472]

Answer:

e. Red segregated from brown in meiosis I, and straight segregated from curled in meiosis I.

Explanation:

A cross between two flies heterozygous for both genes produced an offspring with the phenotypic ratio of 9:3:3:1. This ratio is expected according to Mendel's law of independent assortment, which states that alleles of the same gene assort independently during gamete formation.

Before meiosis starts in flies, a single diploid cell duplicates its DNA, so each chromosome has 2 sister chromatids that contain the same information.

  • During meiosis I, <u>the homologous chromosomes separate</u> into two daughter cells. The chromosome number is reduced by half, but each chromosome has two sister chromatids.
  • During meiosis II, <u>the sister chromatids separate</u> and each daughter cell from meiosis I divides into two new daughter cells (to get the total of 4 haploid cells).

In a heterozygous fly, each homologous chromosome contains a different allele, and the sister chromatids are copies that carry the same allele. For that reason, both traits were segregated during meiosis I.

5 0
3 years ago
Shouldn't this be respiration and photosynthesis not as its spelled here?
Rus_ich [418]
Please rephrase the question, it doesn't make sense.

5 0
3 years ago
Help please I'm stuck <br>#life sciences​
Leona [35]

hope this helps

I do think that they close to not allow too much of either water or air from entering.

the hollow tube allows water to flow easily.

https://www.bbc.co.uk/bitesize/guides/z28g7p3/revision/1

3 0
2 years ago
What is the correct order of organization in animals?
Goryan [66]

Answer:

D is rhe answer of rhis question.

Explanation:

collection of cells make tissue, collection of tissues form organ, similarly group of organs combine to form a system and when these systems combine it forms a whole body of organism.

4 0
3 years ago
Read 2 more answers
Discuss how anatomy &amp; physiology structure and function are inherently related.
Zarrin [17]
Research study related
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