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3 years ago

NEED THIS ASAP PLEASE!!!!!!!

Biology

1 answer:

guajiro [1.7K]3 years ago

4 0

Answer:

high wind speeds in the upper atmosphere above the Atlantic ocean

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True-breeding flies with singed bristles (s) and normal wings (L) were crossed to true-breeding flies with normal bristles (S) a

mina [271]

Answer:

The correct answer is -

Possible F2 offspring genotypes and phenotypes:

SsLl: normal bristle, normal wing

Ssll: normal bristle, vestigial wing

ssLl: singed bristle, normal wing

ssll: singed bristle, vestigial wing

Explanation:

In this case, the genes 's' and 'L' and genes 'S' and 'l' are linked, they will be passed on to the gamete together.

The cross would be as follows:

F1:

Parents: singed bristles and normal wings x normal bristles and vestigial wings

Genotype: ssLL SSll

Gametes: sL Sl

F1: SsLl ( normal bristles and normal wings )

For F2,

Parents: normal bristles and normal wings x singed bristles and vestigial wings

Genotypes: SsLl ssll

Gametes: SL, Sl, sL, sl

Cross:

SL Sl sL sl

sl SsLl Ssll ssLl ssll

Thus the possible offspring will have -

SsLl: normal bristle, normal wing

Ssll: normal bristle, vestigial wing

ssLl: singed bristle, normal wing

ssll: singed bristle, vestigial wing

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3 years ago

Match each vocabulary term to its correct example

Nata [24]

Answer:

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Indirect service - photosynthesis

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Protons orbit the nucleus. True or False?

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Two environmental changes are described below: Environmental change 1: Many small tree saplings are competing for sunlight on th

lilavasa [31]

Answer:

Both statements are true

Explanation:

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The West Nile virus a virus that generally affects the central nervous systems of birds - the primary host. It is transmitted from one bird to another through contact and by a vector - the mosquito. The virus is also capable of being contracted by humans where it causes fatal neurological disorders.

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You find an unusual organism growing on the bark of a dying tree. under a microscope, you observe that its cells are eukaryotic,

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3 years ago