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postnew [5]
2 years ago
12

Consider three different recessive mutations in Drosophila: a, b, and d. The corresponding wild type alleles are A, B, and D. A

female heterozygous for these three linked genes is crossed with a male showing recessive phenotype for all three traits. The resulting offspring are shown below:
Phenotype

Number of progeny

ABD 48 , abd 52, AbD 6, aBd 4, ABd 97, abD 93, aBD 348, Abd 352
1.What is the gene sequence?
2.What is the distance between gene A and D in cM?
Biology
1 answer:
damaskus [11]2 years ago
8 0

Answer:

48

Explanation:

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Alex777 [14]

Answer:

7-d

8-b

9-?

10-b

11-c

12-?

13-b

Explanation:

3 0
2 years ago
Read 2 more answers
From the sequencing of the human genome, we believe that there are approximately 21,000 protein-coding genes in the genome, of w
Nadusha1986 [10]

Answer:

The best answer to the question: If every gene has a tissue-specific and signal-dependent transcription pattern, how can such a small number of transcriptional regulatory proteins generate a much larger set of transcriptional patterns? Would be:

Because transcriptional regulators, which are the ones responsible for initiating, and stopping, transcription of RNA into protein, often work in pairs, one goes with the other, and thus increase the regulatory capabilities over gene expression so that the genes translated into RNA and then transcribed into aminoacids in protein chains, actually code for the correct protein types.

These regulators will both stand, as appropriate, on a specific gene to promote its transcription, or prevent it, depending on the different signaling mechanisms received.

4 0
2 years ago
Why is it important that cell growth in a multi- cellular organism be regulated so carefully?
xxTIMURxx [149]

Answer:

It is important that cell growth in a multi-cellular organism be regulated carefully so as to maintain the integrity of the cell cycle

Explanation: Each cell in a multi-cellular organism has it cycle which consist of the inter-phase and the m-phase (active division). Cell growth takes place in the G1 phase of the inter-phase and this ensures that deoxy ribonucleic acid is synthesized in the S-phase in preparation for division.

Hence, adequate cell volume is a key event in order for division to take place. If cell growth is not regulated, it might result in a cell exiting the cell cycle into the resting phase in case of slow growth or result in over-division of a cell in case of over-stimulated growth. The latter is often the case in the development of cancerous cells.

7 0
3 years ago
What are some things all liquids have in common
Vsevolod [243]
Correct answer. No definite shape.
4 0
2 years ago
Help me please,!! 30 points :)))
Alexxandr [17]

Answer:

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Explanation:

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