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Stels [109]
3 years ago
14

A individual with Down syndrome (trisomy 21) has how many chromosomes

Biology
1 answer:
meriva3 years ago
5 0
The individual will have 42 chromosome
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3 years ago
Which sets of characteristics are likely to be found in a dichotomous key to identify these insects? Check all that apply.
34kurt
<h3><u>Answer;</u></h3>

has 6 legs/has 8 legs

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<h3><u>Explanation</u>;</h3>
  • Dichotomous keys are biological keys which are sets of statements that act as clues leading to the identification of an organism.
  • Dichotomous key is a biological tool for identification of unknown organisms.
  • A single characteristic is considered at a time. Two contrasting statements are put forward to describe the characteristics in such a way as to separate the organisms, which continues until the organisms have been identified.
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Plants and animal cells have a lot in common. In fact, they are more alike then different. What organelles can you find in BOTH
baherus [9]
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6 0
4 years ago
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What appears to happen to the two phenotypes from homozygous parents in cause of incomplete dominance ?
Molodets [167]

Answer:

This results in a third phenotype in which the expressed physical trait is a combination of the phenotypes of both alleles.

Explanation:

an example is like if a red and white flower create another flower the flower will be pink because both alleles are dominant and will be phenotypically expressed.

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Depends on organisms passing genes to the next generation. Why do organisms resemble those from long ago?
kupik [55]

Evolution takes a very long time and so the genes won't be completely different

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