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SVETLANKA909090 [29]
3 years ago
15

PLEASE HELP. ILL GIVE BRAINLIEST

Biology
1 answer:
padilas [110]3 years ago
3 0

Answer:

the second one is The transfer of alleles into or out of a population.

Explanation:

gene flow (also known as gene migration or allele flow) is the transfer of genetic variation from one population to another.

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IRINA_888 [86]

Answer:

Written below.

Explanation:

5. During meiosis, a reproductive cell and its nucleus divide twice and produce four cells––two pairs of identical haploid cells.

6. Homologous chromosomes are two pieces of DNA within a diploid organism that carry the same genes, one from each parental source. In simpler terms, both of your parents provide a complete genome. Each parent provides the same 23 chromosomes, which encode the same genes.

3 0
3 years ago
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The average animal cell generally spends about 24 hours completing a cell cycle (18-20 hours of that being in interphase). The f
Makovka662 [10]

Answer:

The lack of Mad1 protein can cause faster cell division.

Explanation:

The Mad1 protein is responsible for regulating the fixation of chromosomes in spindle microtubules, during cell division. With the presence of this protein, anaphase is prevented from starting while the spindle, where the chromosomes attach, is formed.

Without this protein, this check is not done and cell division occurs faster, which is one of the reasons why cell division can be accelerated.

6 0
2 years ago
Which statement is best supported by the data in the graph? A graph entitled Number of people living with H I V, number of peopl
galben [10]

The graph is not given in the question and options are also not clear, so the required graph is attached below and the clear options are also given below:

Which statement is best supported by the data in the graph?  A graph entitled Number of people living with H I V, number of people newly infected with H I V and number of AIDS deaths worldwide from 1990 to 2008 in millions is shown. Year is on the horizontal axis and number of people is on the vertical axis. The number of people living with H I V steadily increases over the years. The number of people newly infected increased from 1990 to 1996 and then began to decrease. The number of deaths due to AIDS increased from 1990 to 2002, and then began to level off and decrease.

A. Since 2000, there has been an increase in the number of people living with HIV, but a decrease in the number of people newly infected with HIV.

B. Since 1990, both the number of new HIV infections and the number of deaths due to AIDS has consistently increased

C. The life span of a person living with HIV has become shorter.

D. Twice as many people were living with HIV in 2008 than in 2000.

 Answer:

A. Since 2000, there has been an increase in the number of people living with HIV, but a decrease in the number of people newly infected with HIV.

Explanation:

According to the data shown in the graph, since 2000, the people living with HIV has been increased, but a decrease in the number of people newly infected with HIV.

The reason behind this can be early screening of the infection since 2000 and awareness among people decreasing the infection rate as well.

Hence, the correct option is A.

8 0
3 years ago
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When biologists use keys to systematically separate groups of organisms based on couplets, or pairs of characteristics, what is
navik [9.2K]
The term for the type of key that biologists used in separating<span> groups of organisms that are based on couplets is called taxonomic key. This key is very useful in the identification and classification of a </span>specific organism and it usually has an analytical characteristic.<span> </span>
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3 years ago
When water is heated in an ocean,the liquid water changs form and turns into what
7nadin3 [17]
Vapor....Have a great day!!!
4 0
3 years ago
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