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labwork [276]
3 years ago
10

Which imaginary line divides Earth into the Northern and Southern Hemispheres?

Biology
2 answers:
laiz [17]3 years ago
7 0
The imaginary line is the equator
stealth61 [152]3 years ago
4 0
The Equator. It divides the lin
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Inheritance patterns cannot always be explained by Mendel's models of inheritance. If a pair of homologous chromosomes fails to
soldier1979 [14.2K]

The question is incomplete as it does not have the options which are:

A) n+1; n+1; n-1; n-1

B) n+1; n-1; n; n

C) n+1; n-1; n-1; n-1

D) n+1; n+1; n; n

Answer:

Option-1

Explanation:

The laws of inheritance were concluded from the result of Mendel's experiment which is based on the fact that gametes are formed. Later research suggested that gametes are formed by the process of meiosis which takes place in two phases and recombination is a characteristic of Meiosis.

If during anaphase I of meiosis I, the alleles fails to separate that is nondisjunction takes place at anaphase I, Then the resulting daughter cells will have unequal distribution of chromosomes.

One daughter cell will receive 1 extra copy of the chromosome while another daughter cell will receive 1 less chromosome therefore ploidy level will be n+1 and n-1.

During meiosis II, 2 more daughter cells will be formed with the same ploidy level therefore in last the meiosis will result in 2 (n+1) and 2 (n-1) cell.

Thus, Option-1 is the correct answer.

4 0
3 years ago
What else should a grower do to make sure that the plants are photosynthesising at the optimum rate ?
laila [671]

Answer:

7 thats answer

Explanation:

5 0
2 years ago
1 and 2 please i dont know the answers i have more to come
bixtya [17]

Answer:

1. C.) Their cell walls contain chitin

2. C.) Chloroplast

4 0
2 years ago
Which is an example of a heterogeneous mixture?
VashaNatasha [74]
The answer is d. flour and water because a mixture of flour and water is not going to be even throughout, it will be lumpy and not completely mixed.
7 0
3 years ago
Read 2 more answers
Lecting all
Anastaziya [24]
The answer to the question above is a cell.
5 0
3 years ago
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