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Deffense [45]
3 years ago
8

What are the stages of the process of cleavage? Write the correct sequence

Biology
1 answer:
babunello [35]3 years ago
7 0

Answer:

Cleavage is a process in which cell is divided into several parts without increasing in size. There are 4 stages of cleavage i. e. 2-cell, 4-cell, 8-cell and 16 cell stages. 2 cell embryo cleavage occurs after 30 hours of fertilization. 4 cell embryo cleavage occurs after 48 hours. 6 cell embryo cleavage occurs on third day of fertilization. 8 cell embryo cleavage occurs on fourth day of fertilization and more than 100 cells are formed.

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Reciprocal innervation

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Which of the following best describes the principle of independent<br> assortment?
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Answer:

Law that states that the segregation of any pair of alleles is independent of any other pair of alleles . As a result each pair of gametes receives one member of every pair of alleles.no influences from other alleles is necessary.

Explanation:

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Which of the following does not
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Where do queen bees lay eggs and larval bees are fed by worker bees
steposvetlana [31]

Answer:

1. Queen bees lay their eggs after within each cell inside a honeycomb.

2. True. Worker bees feed the larvae with a combination of nutrients, from nectar and pollen to bee milk and water.

Explanation:

1. Queen bees lay their eggs after within each cell inside a honeycomb (hive) <em>[</em><u><em>See image below]</em></u><em> </em>during the winter.

The queen is able to lay over two thousand eggs PER DAY! Each egg has an approximate size of 1 mm long. This process then leads to the formation of a whole new colony of bees.

<u><em></em></u>

2. True.

Worker bees have the largest density of all, that is, there are numerous worker bees within a colony. As their name "worker" implies, they have plenty of tasks to perform. For example, they have to clean the hive regularly, ventilate it during warm conditions or keep it warm during cold conditions, and also care for the queen. However, one the most important roles of workers is to feed the larvae, during this stage they are also called "nurse bees." These bees feed the young with a combination of nutrients, from <u>nectar and pollen to bee milk and water</u>.

8 0
4 years ago
What is the fitness advantage for the angiosperm approach to the formation of nutritive tissue?
kiruha [24]
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4 0
3 years ago
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