Answer:
cross-pollination. He cross pollinated parents with different traits.
Explanation:
Gregor Johann Mendel was a great scientist/ Biologist that was born on the 20th day of the month of July, in the year 1822 in Czechia and he died on the 6th day of January, in the year 1884. Gregor Johann Mendel made significant effect on the aspect of genetics and heredity in Biology and science generally.
If you look at the world today, you are going to see beautiful and improves varieties of plants and animals which are known as hybrids.
For his research on inheritance, he cross pollinated parents with different traits to produce offsprings.
Answer:
During meiosis, homologous chromosomes can exchange DNA in a process known as : Crossing over Crossing over is one of the final phase of genetic recombination, which happen in Meiosis during a process called Synapsis. It occurs when matching part of matching chromosomes broke and reconnect with other chromosomes
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Explanation:
b. Are more likely to achieve high social status
c. Are more likely to hold white collar jobs
d. Are less likely to hold low paying jobs
The correct answer is (a) Poverty stricken people are less able to enjoy society's benefits.
The benefits of society includes many facilities such as financial benefits, or assistance for education, assistance for unemployment and many more. The poor people lack these kinds of facilities because they do not belong to a proper commodity that are served by these kinds of facilities. These kinds of facilities are only enjoyed by the elite class of the society.
One of the consequences of poverty is that poverty stricken people are less able to enjoy society’s benefitssuch an an education.
Poverty refers to.the inability of individuals to be able to provide for the basic needs of life such as food, clothing and shelter effectively.
Poverty has a lot of negative consequences which include;
Therefore, one of the consequences of poverty is that poverty stricken people are less able to enjoy society’s benefits.
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B. Single-celled eukaryotes that sometimes grew in colonies
C. Multi-cellular organisms that were probably autotrophic.
D. Multi-cellular organisms with an alternation of generations lifecycle.
The correct answer is B. Single-celled prokaryotes that sometimes grew in colonies
Answer: C. Homologous chromosomes are separated in meiosis but not in mitosis.
Explanation: There are two main types of division that take place in eukaryotic cells, mitosis, and meiosis. Mitosis is the type of division that is used for growth, repair, and replacement of tissues. Therefore it is not necessary that the cells have different chromosome numbers or are varied genetically in the daughter cells in the case of mitosis.
Meiosis is the division that takes place to form the gametes for sexual reproduction. It is important in the first stages of meiosis I, to introduce variation and to halve the chromosome number.
Chromosomes numbers are halved (from 46 to 23) during meiosis I because the gametes (sperm and egg) come together and fuse during fertilization to form a zygote. When this fusion occurs (23 from the zygote and 23 from the egg), the chromosome number needs to be returned to that of the parent cell (46).
At the end of meiosis, four genetically unique cells are produced with half the number of chromosomes as the parent cell (23 cromosomes) . After the process of mitosis is completed, two cells genetically identical to each pther are produced and have the same number of chromosomes as the parent cell (46 cromosomes).
Genetic variation is actually important because of changing environmental conditions.
B.depth of the soil
C.a measure of how developed a soil is
D.the relative amounts of sand, silt, and clay particles