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Vanyuwa [196]
2 years ago
8

In which stage of the cell cycle are sister chromatids separated and pulled to the opposite poles of the cell?

Biology
1 answer:
KonstantinChe [14]2 years ago
6 0
The answer is metaphase
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In summer squash, white fruit color (W) is dominant over yellow fruit color (w) and disk shaped fruit (D) is dominant over spher
dangina [55]

Answer:

Genotypic ratio = 16 WwDd: 0

Phenotypic ratio = 16 white, disk shaped fruit : 0 yellow, sphere shaped fruit

Explanation:

This question involves two different genes coding for fruit color and fruit shape respectively. The allele for white fruit color (W) is dominant over yellow fruit color (w) and disk shaped fruit (D) is dominant over sphere-shaped fruit (d).

According to this question, If a squash plant pure-breeding for white, disk shaped fruit (WWDD) is crossed with a plant pure breeding for yellow, sphere shaped fruit (wwdd), the following gametes will be produced by each GAMETE:

WWDD - WD, WD, WD, WD

wwdd - wd, wd, wd, wd

Using these gametes in a punnet square, all of the offsprings will have genotype WwDd, which is phenotypically white and disk shaped fruit.

The genotypic ratio is 4 WwDd: 0

The phenotypic ratio is 16 white, disk shaped fruit : 0 yellow, sphere shaped fruit.

8 0
2 years ago
Which of the following statements explains why plants are essential to the carbon cycle?
hram777 [196]

Answer:

Plants absorb carbon dioxide, water and sunlight to make their own food, grow and release oxygen through photosynthesis. They're a huge part in keeping our air clean.

Explanation:

Hope this helps.

5 0
2 years ago
What has the study of fossils helped scientists to do
marishachu [46]
The remains of fossils give scientists clues as to what the world may have been like a long tome ago. If fish fossils are found on the side of a mountain, there may have been a lake there. If a skeleton is found, they can decide what creature it was.
4 0
2 years ago
Cell walls in plant cells provide support and structure for the cell, allowing plants to 'stand up' without a skeleton. What are
natta225 [31]

Answer:

Cellulose

Explanation:

Cell walls made of cellulose are only found around plant cells and a few other organisms. Cellulose is a specialized sugar that is classified as a structural carbohydrate and not used for energy. ... While cell walls protect the cells, they also allow plants to grow to great heights. You have a skeleton to hold you up.

6 0
2 years ago
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A student conducted an experiment with two rose plants to determine if a liquid formula for fertilizer produced greater growth t
Nastasia [14]

Answer: it was necessary to see data from more plants before the conclusion could be accepted

Explanation: i got it right

8 0
3 years ago
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