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Alex Ar [27]
3 years ago
10

Explain why scientists use the metric system for scientific measurements

Biology
1 answer:
zubka84 [21]3 years ago
8 0
The metric system is used around the world and is recognized as the standard measurement terms.
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A true-breeding plant that produces yellow seeds is crossed with a true-breeding plant that produces green seeds. The F1 plants
nadya68 [22]

Answer:

The phenotypic ratio will be 3:1

Explanation:

As per this question there are two phenotypes for seed color, yellow and green. Both the parents are true breeding that means they are homozygous for this trait. Also, all the F1 plants have yellow seed color which clearly indicates that yellow seed color is a dominant trait while green is recessive trait.

The cross of true breeding plants as mentioned above is depicted as under:

Parents                             YY    x   yy

                                          /   \       /   \

F1 generation                Yy   Yy  Yy   Yy

So, as per the law of dominance because of the presence of Y allele, all these progeny will be yellow in color.

Next, when these F1 plants will be crossed, the result will be as under:

F1 generation                    Yy   x    Yy

                                         /   \         /   \

F2 generation               YY   Yy   Yy   yy

The genotypic ratio of F2 generation is 1:2:1

The phenotypic ratio of F2 generation is 3:1

It simply means that in F2 generation, 3 progeny which have allelic combination YY & Yy will be yellow colored while 1 progeny which has allelic combination yy will have green color.

8 0
3 years ago
Why is a frogs tounge anchored in the very front
blondinia [14]
<span> When a frog catches an insect, it throws its sticky tongue out of it’s mouth and wraps it around its prey.  The frog’s tongue then snaps back and throws the food down its throat.</span>
7 0
2 years ago
Use niche in a sentence
kirza4 [7]
He never liked being on the hot seat and he'd found his niche<span> with this job.</span><span>
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You have a strand of hair from a crime scene but can’t tell if it is from an intruder or the family dog. If the hair otherwise l
Anuta_ua [19.1K]
You would examine the follicle.
5 0
3 years ago
Read 2 more answers
How can we save endangered animals?
Roman55 [17]

Answer:

There are a couple ways to save endangered animals.

Explanation:

First off, spreading awareness and attention about the topic of endangered animals is important so more people can talk about it. Secondly, you can donate to some organizations helping with species endangerment. Also boycotting your favorite clothing brands that may include harming animals can help.

6 0
3 years ago
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