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Gnoma [55]
4 years ago
11

How much of the cells DNA is copied during replication?

Biology
1 answer:
dezoksy [38]4 years ago
7 0
Should be all of it, or nearly 100%!
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If this trisomic fly is the progeny of a male fly of genotype (ey+ ey−, gw+ gw−) crossed to a female fly with genotype (ey− ey−,
Nikitich [7]
I found the exercise on the internet and attached is the representation of the fly's trisomy.

Correct answer:
<span>"Nondisjunction occurred in the male parent at the meiosis I division to produce an (n+1) sperm that fused with a normal (n) egg."

It is during meiosis I that the homologous chromosomes are divided into two new cells. In this case, if a trisomy is present, it means that during this segregation part during meiosis I, two homologous chromosomes were not separated (n</span>ondisjunction)<span> creating a gamete cell that had two copies of a chromosome (and another without any copy of that chromosome).
This error on meiosis I might have occurred in the male parent. As we can see from the schematic representation of the trisomy, there is two chromosomes with a wild allele (+). These alleles were only present in the male parent, as the female parent was homozygous for all genes, no wild allele (+).</span>

7 0
3 years ago
Which statement summarizes the process shown in the diagram?
erica [24]

Answer:

A. DNA is being transcribed into mRNA

Explanation:

The process being diagrammatically described in this question portrays TRANSCRIPTION, which is the process whereby a mRNA molecule is synthesized using the information in a DNA template.

According to the diagram in this question, the DNA located in the nucleus is indicated by the blue strand. The mRNA transcript being produced is indicated by the red strand and can be seen leaving the nucleus.

7 0
3 years ago
Which of the following genotypes could be described as homozygous dominant​
ipn [44]

Answer:

Homozygous dominant genotype means both the alleles ( alternative form of a gene) are same. ... AA shows that both the alleles are same and are dominant

Explanation:

6 0
4 years ago
Wykonaj notatę w formie mapy myśli na temat: Znaczenie oceanów .Skorzystaj z informacji w podręczniku str.47 do 48 to jest z prz
madreJ [45]
I only read english



tysm though..
8 0
3 years ago
In pavlov's experiments, the taste of food triggered salivation in a dog. the food in the dog's mouth was the
Bond [772]
The food in the dog's mouth was the cheese.
8 0
3 years ago
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