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I am Lyosha [343]
4 years ago
9

Scientists studied a flock of tundra swans that spent the winter along rivers in virginia. the swans migrate in the spring to ot

her locations. what would be the best way for scientists to distinguish between the birds they study in virginia and flocks in the summer location?
Biology
1 answer:
Vadim26 [7]4 years ago
4 0

Capturing and putting coded bands on the birds in Virginia, then recording the bands seen on birds in the summer location would be the best way for scientists to distinguish between the birds they study in Virginia and flocks in the summer location.

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Help!!!! Can anyone answer this lab questions below about mitosis!!!!
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3 years ago
If a grandfather and grandchild are the only two with a genetic disorder, the disorder must be __________.
Anna35 [415]

The disorder where the grandfather and the grandchild are affected is related with the X chromosome and is called Sex linked or X linked disorder.

<h3><u>Explanation:</u></h3>

All the sex linked disorders are recessive in character i.e the normal allele is dominant over the mutated allele. In females, there are 2 X chromosomes, so the mutated allele is only expressed when there are both the mutated alleles, else its masked by the dominant normal allele. But in males, there's only one X chromosome, so if a mutated allele is present, it's readily expressed.

If the Grandfather is diseased, then he must have that mutated allele in X chromosome. Through reproduction, its received by the mother, but she is normal because the other allele received from grandmother was normal. But mother has one of the X chromosomes with mutated allele, which is received by the grandson who again becomes diseased. So the disorder must be X linked disorder

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3 years ago
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Hope it helps.
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4 years ago
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