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Oliga [24]
3 years ago
6

Which statement is true of y chromosomes

Biology
2 answers:
Gelneren [198K]3 years ago
8 0

Answer:

What are the statements about the Chromosomes? If you get the statements I will gladly help out :)

Explanation:

Thank you!

Paladinen [302]3 years ago
4 0
I’ll definitely help if you give out the statements:)
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What do greenhouse gases do to the warmth from the sun that is reflected back
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Answer:

hope this helps

Explanation:

The greenhouse effect is a natural process that warms the Earth's surface. When the Sun's energy reaches the Earth's atmosphere, some of it is reflected back to space and the rest is absorbed and re-radiated by greenhouse gases. The absorbed energy warms the atmosphere and the surface of the Earth.

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2 years ago
What would happen if the bases in DNA strands were connected by a bond other than a hydrogen bond?
tekilochka [14]
The correct answer is It would be more difficult for DNA to unzip since it would require more energy to break the bonds.

That is because it would most probably be a covalent bond and such a bond is stronger than a hydrogen bond which means that more energy would be needed to break it.
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2 years ago
In squash, yellow seeds are dominant over green seeds. If two heterozygous yellow seed squash were crossed, what are the genotyp
Umnica [9.8K]

Answer:

The result of cross two squashes with yellow seeds is an offspring of squash with green seeds -dominant caracter- heterozygous and yellow seeds squashes in a genotype proportion 1:2:1  and phenotype proportion 3:1

Explanation:

The cross of two heterozygous individuals for a characteristic results in an offspring that will have both characteristics in pure and heterozygous form. It is a cross monohybrid which complies with the principle of independent segregation exposed by Mendel.

For the characteristic "seed color" the green color would be G and yellow represented as g.

At the cross of two heterozygous squashs:

- Parents: Gg X Gg

- <u>Punnett's Square</u>:

Alleles    G         g

G           GG       Gg

g           Gg        gg

Offspring:

  • A pumpkin of green seeds GG (25%)
  • Two pumpkins of green heterozygous seeds Gg (50%)
  • One pumpkin of yellow seeds gg (25%)

Genotype proportion 1:2:1

Phenotype proportion 3:1

8 0
3 years ago
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