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stira [4]
3 years ago
12

Provide an explanation as to why all of the parakeet offspring look different, even though they have the same parents.

Biology
1 answer:
Vilka [71]3 years ago
5 0

Answer:

The parents have different genes

Explanation:

The parents are hybrids, and are carriers of certain genes and traits :)

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If type AB blood has type A in it, explain why a person with type A blood cannot have a transfusion of type AB blood?
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Develop 3 questions about how genetic disorders are passed from one generation to the next, using the terms: DNA, chromosomes, a
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2 years ago
Describe the steps in transcription that require complementary base pairing.
nalin [4]

Answer:

Explanation:

Transcription takes place in nucleus in the presence of the enzyme RNA polymerase.

During transcription, the code present in DNA gets transcribed into the code in mRNA.  (messenger RNA)

RNA even though is a single stranded shows base pairing.

The pre-mRNA gets created from the DNA.

DNA has two strands, one of these strands acts as coding and another non coding strand.

The DNA shows base pairing with AGTC.   [A-Adenine, G- Guanine, T-Thymine and C- Cytosine]

Whereas mRNA base pairing with AGUC.  [ U- Uracil ]

Here in mRNA, instead of thymine, uracil gets paired.

According to base pairing of coding strand/sense strand of DNA, complementary bases pairs in 5'---->3' direction in mRNA.

The mRNA created looks exactly like the non-coding strand/sense strand of DNA except instead of thymine, uracil gets replaced.

The pre-RNA undergoes splicing, capping and tailing to form mature mRNA.

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3 years ago
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