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dsp73
3 years ago
6

I don’t understand this.... I need helps

Biology
1 answer:
katrin2010 [14]3 years ago
6 0
This is a pedigree, and it tells the past genetics that were passed from generations to generations. The shaded ones are the people who have the genetic disease and the ones who aren’t shaded aren’t carries
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The phenotype of vestigial (short) wings (vg) in Drosophila melanogaster is caused by a recessive mutant gene that independently
rusak2 [61]

Answer:

It is expected to obtain 576 individuals with normal wings and body with normal hair, 192 with normal wings and hairy body, 192 with vestigial wings and body with normal hair, and 64 with vestigial wings and hairy body.

Explanation:

Since only the wild-type of the offspring cross each other and since the parents have antagonistic phenotypic characters for each gene, all the progeny produced in the F1 is heterozygous with VgvgHh genotype, where

Vg: Normal wings.

eg: Vestigial wings.

H: Body with normal hair.

h: Hairy body.

Once F1 reproduces with each other, the Mendelian proportions 9/16, 3/16, 3/16, 1/16 expected in the F2 generation are produced.

Since in total there were 1024 individuals in the offspring, this amount is multiplied by the expected proportions, giving rise to the mentioned result.

5 0
4 years ago
the fact that muscle strength and endurance are realized only in the muscles trained is referred to as
Fynjy0 [20]

Answer:

specificity

Explanation:

7 0
3 years ago
The genetic code is essentially the same for all organisms. From this, one can logically assume which of the following:
vredina [299]

Correct answer: A). a) A gene from an organism can theoretically be expressed by any other organism

The protein synthesis information in the DNA is found to be contained by the three base sequences. Proteins are made from a chain of amino acids, which are directed by the codons present in the DNA.

Each codon is specified for the synthesis of only one amino acid. However, some amino acids are specified by more than one codon.

The correlation between the amino acid and codon is known as genetic code and is the same for every organism on the earth.






7 0
3 years ago
Data clusters are sets of signs or symptoms that are grouped together logically. Match each sign or symptom with its appropriate
aivan3 [116]

Answer:

Explanation:

(A) PaO₂ below normal: PaO₂ is used to describe the partial pressure of oxygen dissolved in the blood. When it is below normal, it indicates the individual isn't getting enough oxygen hence there is low pressure of dissolved oxygen in the blood. This sign/symptom falls under the Respiratory/oxygenation data cluster.

(B) Dyspnea on exertion: Dyspnea is a term used to describe shortness of breath while dyspnea on exertion is when an individual runs out of breath as a result of not been able to breath deeply/properly during or after an exercise. This sign/symptom also falls under the Respiration/oxygenation data cluster.

(C) Productive cough: This is a type of cough that produces/forces mucus out of the airway (thereby clearing the airway). This sign/symptom from this description is also Respiratory/oxygenation data cluster.

(D) Oxygenation saturation 92%: Oxygen saturation is when the body can supply enough oxygen to the cells and tissues within it's system. This sign/symptom is also a Respiratory/oxygenation data cluster.

(E) Feels "too tired to do much": This can also be referred to as fatigue. This is usually as a result of inadequate energy produced (usually from glycolysis) in the body. This sign/symptom, from this description, is a Reduced energy level data cluster.

(F) Requires frequent rest periods: This usually occurs as a result of imbalance in the body's metabolism. Here, the body uses more energy than it produces; more anabolic processes (energy requiring) than catabolic processes (energy produced/released). This sign/symptom, from this description, is a Reduced energy level data cluster.

8 0
3 years ago
Which statement describes the role of the organism indicated by the blue arrow in the food web?
Vitek1552 [10]

Answer: A primary consumer that obtains its energy from the consumption of plants .

Explanation: This is the only option that makes sense. A monarch is not a producer since it is not a plant. A monarch is not a decomposer of course. Why is it a primary consumer? because monarchs eat from a plant and then are eaten by a secondary consumer.  

3 0
3 years ago
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