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Svetach [21]
4 years ago
12

In what phase of the cell cycle do chromosomes first split

Biology
1 answer:
AysviL [449]4 years ago
7 0
Anaphase - replicated chromosomes are split, daughter chromatids move to opposite sides (poles) of the cell
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a cross between a homzygous tall plant and homzygous short plant would predict that the offspring had: A the same genotype as on
11Alexandr11 [23.1K]

Answer:

C

Explanation:

The correct answer would be <u>a genotype that was different from that of both parents.</u>

Let us assume that the allele for height is A (for tall) and a (for short). Homzygous tall plant would have the genotype AA while homzygous short plant would have the genotype aa. Crossing both genotypes:

                AA   x   aa

             Aa   Aa   Aa   Aa

<em>All of the offspring, even though have the same phenotype as one of the parents, have unique genotype from either of the parents. While the parents are AA/aa, the offspring are Aa.</em>

The correct option is, therefore, C.

3 0
3 years ago
How do passive transport and active transport differ? Is osmosis an example of passive transport or active transport? Why?
svp [43]
<span> In passive transport, molecules are moving from areas of high concentration to areas of low concentration. Examples: diffusion, osmosis (water). Protein channels and carriers are sometimes also involved in passive transport. </span>
5 0
3 years ago
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Red and white flowers are codominant. A speckled flower and a white flower were crossbred.
Rainbow [258]

Answer:

**Not all traits are completely dominant** ... Pattern of inheritance in which heterozygous offspring show a phenotype between the phenotypes of the parents (in the middle). 2. ... Snapdragon flowers: i. Red flower + white flower = PINK flower b. Cow color: ... Pattern of inheritance where both alleles in the heterozygous.

Explanation:

Thank you for asking that question

6 0
3 years ago
People once believed that the world was flat. What changed their minds?
mezya [45]
C. they created the globe after they realized it was round
5 0
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What events cause exhalation?
Kruka [31]

Answer:

The process of exhalation occurs due to an elastic recoil of the lung tissue which causes a decrease in volume, resulting in increased pressure in comparison to the atmosphere; thus, air rushes out of the airway. There is no contraction of muscles during exhalation; it is considered a passive process.

Explanation:

5 0
3 years ago
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