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hodyreva [135]
3 years ago
12

Having chromosomes that contain an identical pair of genes for a particular trait

Biology
1 answer:
Lubov Fominskaja [6]3 years ago
4 0

homologous chromosomes

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Explain how living in a group, like these lions, increases the fitness of a<br> species.
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Explanation: Rivalry

There is safety in numbers, and with that, they can run together more often without the fear of being attacked, and must push themselves to match others, therefor getting fit

8 0
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________ results in the production of spores in plants. meiosis fertilization germination mitosis spermatogenesis
babymother [125]
The answer is Meiosis.
8 0
3 years ago
Part A: If one follows 70 primary oocytes in an animal through their various stages of oogenesis, how many secondary oocytes wou
olga nikolaevna [1]

Answer:

<u>Part A</u> : 70 secondary oocytes will be formed.

<u>Part B</u> : 70 first polar bodies will be formed.

<u>Part C</u> : 70 ootids will be formed.

Explanation:

During oogenesis growth maturation of a single oogonium produces one primary oogonium.

the primary oogonium then undergoes meiosis -1 and produces  one secondary oocyte and first polar body.

The secondary oocyte then undergoes meiosis - 2 and forms an ootid and second polar body.

The ootid then differentiates into the ovum.

As in the above scenario , 70 primary oocytes are present , they undergo meiosis-1 and produces 70 secondary oocytes and 70 first polar bodies. Hence answers of part A and B is 70.

As 70 secondary oocytes are formed , they undergo meiosis -2 and forms 70 ootids which then differentiate in 70 ovums.

8 0
3 years ago
The Chinese-Japanese War (aka the Sino-Japanese War) primarily had to do with __________. Japan China Korea Russia
ankoles [38]
Between Japan and China in Korea. Fought over the control of Korea basically. 
7 0
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Which sex chromosome is more dominant ( X or Y ) ?<br><br>​
Tcecarenko [31]

Answer:

x

Explanation:

The X chromosome is significantly longer than the Y chromosome and contains hundreds more genes. Because the additional genes in the X chromosome have no counterpart in the Y chromosome, the X genes are dominant.

hope it helps , pls mark me as brainliest

6 0
3 years ago
Read 2 more answers
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