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Helga [31]
2 years ago
12

A diagram that shows how scientists think different groups of organisms are related _________________ ________________.

Biology
1 answer:
elena55 [62]2 years ago
7 0

Answer:

isolation complete seperation

Explanation:

I get that right yo day in class

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Why do scientists usually use a food web instead of a food chain?
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Because a food chain is very limited and only follows one path while a food web consists of many food chains made into one food web

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3 years ago
If two tasks were accomplished with an equal amount of work.
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it is number 2 becuase it both has to be the same

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in humans, a combination of XX chromosomes results in a female zygote and that of XY result in a male zygotes. From whom does th
devlian [24]
The answer is: from mother

In a human diploid somatic cell (2n), there are<span> in total 46 chromosomes</span> - 22 autosomal chromosomes present in two copies and 1 pair of sex chromosomes. This means there are 23 pairs of chromosomes. In males, there is one X and one Y chromosome (XY) while in females, there are two XX chromosomes (XY).
During the formation of gametes, a female could give only X chromosomes, so gametes from the mother contain one X chromosome. But, a male could give X or Y chromosome, so gametes from the father contain either X or Y chromosome.
Female gamete and male gamete fuse to form a zygote. Male zygote must contain both X and Y chromosome. It inherits Y chromosome only from the father, so X chromosome must be inherited from the mother.
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3 years ago
Which one is it??<br> It’s on usatestprep.
sweet-ann [11.9K]

The other guy is right, B is the answer now hurry and get that test prep done

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When a germ cell undergoes meiosis, which event would MOST likely result in four aneuploid daughter
sveta [45]

Answer:

B. misalignment of the chromosomes during anaphase I

Explanation:

Aneuploidy refers to an error in the chromosomal number of a cell. This occurs when the chromosomes fail to separate equally into individual cells, a process called MEIOTIC NONDISJUNCTION. Meiotic disjunction can occur in either the anaphase stage of meiosis I or meiosis II, however, different outcomes are produced.

When chromosomes fail to separate at meiosis I, it results in two gametes that lack that particular chromosome (n-1) and two gametes with two copies of the chromosome (n+1). This means that the four daughter cells will have an incorrect number of chromosomes, hence, the misalignment of the chromosomes during anaphase I will result in four aneuploid daughter cells.

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