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vladimir2022 [97]
3 years ago
7

Question 11

Biology
1 answer:
hodyreva [135]3 years ago
3 0

Answer:

Bby. For and dplanantion

Explanation:

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In fruit flies, L = long wings and I = short wings. When a long winged fly is crossed with a short winged fly, the off spring ex
stellarik [79]

Answer:

Genotype of long winged fly is Ll

Genotype of short winged fly is ll

Explanation:

Given

Allele for long wing trait is "L"

Allele for short wing trait is "l"

When a long winged fly is crossed with a short winged fly, half of the offspring have long wings and other half have short wings as the ratio is 1:1

Let us say that the genotype of long winged fly is Ll

and the genotype of short winged fly is ll

The cross between the two will produce following offspring

Ll * ll

Ll, Ll, ll, ll

Out of four off spring two have long wings (Ll)

and the other two have short wings (ll)

Thus the ration of long to short wing offspring is 2:2 i.e 1:1

3 0
3 years ago
The Earth's changing distance from the Sun during the year causes the seasons true or false​
Alex

Answer:

False

Explanation:

Even though the idea is logical, Earth's seasons are actually caused by the tilt of earth,earth rotating on it's axis, and Earth's revolution around the sun

hope this helps!

7 0
3 years ago
If an organism expresses a recessive phenotype, can you tell the genotype? Explain your answer by giving an example.
JulijaS [17]
If<span> it is expressing the </span>recessive phenotype<span>, then </span>you know<span> right away what the</span>genotype<span> is. For </span>example<span>, for the </span>recessive<span> trait of green-colored peas versus the dominant trait yellow-colored peas. </span>If you<span> have green peas, then </span>you know<span> this plant has the homozygous </span>recessive genotype<span> for the pea color gene.</span>
8 0
3 years ago
Regardless of an object's position in space, its _______ remains constant.
777dan777 [17]
It’s mass stays constant .weight changes depending on gravitational force
8 0
2 years ago
Read 2 more answers
An organism has a metabolic pathway that is controlled by an inducer through negative regulation. When this organism is grown in
beks73 [17]

Answer:

The inducer will combines with the repressor and inactivates the pathway.

Explanation:

Inducer is a term in Molecular Biology, which represent a molecule or substance that has the capability to activate the transcription of a gene, where by it joins with and then inactivates a genetic repressor.

In other words, the inducer binds with the repressor in order to prevent the RNA polymerase to combine to the DNA, and chemically produce mRNA, this is done by repressor proteins combining with the DNA strand.

Inducer specifically makes repressor to change shapes, which will make it not combine with the DNA, and therefore, allow formation of transcription, such that expression of gene will eventually occur.

3 0
3 years ago
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