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3 years ago

Khan academy yet, both of these cells have the same 23 chromosomes in their nuclei, so shouldn't they be similar?

1 answer:

6 0

All the cells in an organism should have the same no. of chromosomes i.e. in this case 23 pairs , as each cell carries the same DNA .

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Which statement explains what happens to older crust during seafloor spreading?

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Answer:

Which statement explains what happens to older crust during seafloor spreading?

Explanation:

D. It moves away from a mid-ocean ridge.

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A study on the impacts of urbanization was performed for the town of Fairvale. The study showed a decline in biodiversity over t

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Answer:

A & C

Explanation:

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After a smaller star runs out of hydrogen it begins to become a :

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Stars Like the Sun. When the core runs out of hydrogen fuel, it will contract under the weight of gravity. ... The upper layers will expand and eject material that will collect around the dying star to form a planetary nebula. Finally, the core will cool into a white dwarf and then eventually into a black dwarf.

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In pea plants, flowers are either white or purple; the purple color is produced by pigments called anthocyanins. The production

Hoochie [10]

Answer:

7/16

Explanation:

<em>The proportion of the offspring from the cross that will have white flowers is 7/16.</em>

The presence of anthocyanin which determines purple coloration is conditioned by the C_ and P_ alleles. It means that the absence of one or both of C and P will result in white flowers.

Two plants, each with CcPp are crossed:

CcPp x CcPp

Offpring

1 CCPP - purple

2 CCPp - purple

2 CcPP - purple

4 CcPp - purple

2 Ccpp - white

1 CCpp - white

1 ccPP - white

2 ccPp - white

1 ccpp - white

Proportion of offspring with white flowers = 7/16

Proportion of offspring with purple flower = 9/16

<em>See the attached image for the Punnet's square analysis of the cross.</em>

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