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MrRa [10]
3 years ago
9

Leaf vein patterns in diocot flowering plants are parallel.

Biology
1 answer:
serg [7]3 years ago
8 0
Yes they are parallel. 

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Hybridization _____.
Alinara [238K]

Answer:

The correct answer is: c) usually produces offspring that cannot reproduce.

Explanation:

Hybridization, also knowns as selective breeding, is an <u>artificial process</u><u> that involves selecting parents with specific characteristics in order to obtain an offspring with the same traits</u>.

Hybridization is very common and has been performed by humans for thousands of years: from selective breeding crop plants, to do so with dogs in order to create more desirable breeds.

Option A is incorrect because hybridation does not occur in nature, it is an artificial process.

Option B is incorrect because hybridation often happens when the selected parents are chosen to reproduce (by a human).

Option D is correct because an important amount of hybrids are sterile (for example: mules).

Option D is incorrect as well because the offspring is not identical: it shares a combination of genes from both parents.

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3 years ago
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Which statements is not true about prokaryotes?
irina [24]

Answer:

The correct answer is b. prokaryotes store their genetic information in a nucleus

Explanation:

Prokaryotes are organisms that do not have a true nucleus. A true nucleus is an organelle that is membrane-bound and contains the cell's genetic material inside it.

In prokaryotes nucleus is not present do its genetic material is spread in the cytoplasm of the cell. Bacteria and archaea are considered to come under the prokaryotes group because they do not have a membrane-bound nucleus and other organelle.

Eukaryotes are the organisms that have membrane-bound nucleus and they store their genetic information in the nucleus. Therefore the correct answer is b. prokaryotes store their genetic information in a nucleus.

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3 years ago
The magnetic Quality of ancient rocks is called _________
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The magnetic Quality of ancient rocks is called ___<u>C.Paleomagnetism</u>____

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3 years ago
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How could soil erosion affect people, plants and animals? How can it be reduced?
Ede4ka [16]
My thought on it is...soil erosion is when the top layer of the earth is somehow washed away by something..blah blah..lol..it could result in the land being a desert, and you can't plant crops cos the land doesn't have the nutrients.. you can reduce it by having a land cover like grass..
sorry my explanation sucks..
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3 years ago
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Answer:

C. Is a repeated sequence of DNA in a non- coding sequence

D. Can be composed of a variable number of repeats in different people

Explanation:

Short Tandem Repeats (STRs) are short DNA motifs, i.e., short nucleotide repeat units (generally 2-7 base pairs in size) that may have a different number of repeats among individuals (alleles). Polymorphic STR sequences are very useful genetic markers and therefore they are used for different purposes, e.g., for constructing genome linkage maps, identification of individuals and/or populations, paternity testing, etc. For example, in the USA, the Combined DNA Index System (CODIS) is a databank that stores different DNA profiles based on 13 core STR <em>loci</em> which are used in forensic identity testing.

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