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Goryan [66]
3 years ago
8

What do strips of low-intensity magnetism represent on the ocean floor?

Biology
2 answers:
Margarita [4]3 years ago
8 0
Sea floor spreading combined with periodic reversals of earth's magnetic field give rise to strips of alternating magnetic direction in sea floor rocks.
Delicious77 [7]3 years ago
7 0

areas where the rocks have a reversed polarity

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A cross between two squash plants that produce yellow squash results in 124 offspring: 93 produce yellow squash and 31 produce g
iVinArrow [24]

Answer:

<h2>Both Yy</h2>

Explanation:

1. As  given here,

Total offspring are= 124;

that produce yellow squash= 93;

that  produce green squash= 31;

2. Let Y  for yellow producing squash and y for green squash;

Y is dominant over y.

3. Cross between two yellow squash producing plants

Genotype of parents = Yy and Yy

offspring = YY, Yy, Yy and yy,

as Y is dominant over y, so YY and Yy all produce yellow squash, and yy  produce green squash.

4. Their phenotypic ratio is 3:1 , as in question 93: 31

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