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AnnZ [28]
3 years ago
13

How does the process of fertilisation take place​

Biology
1 answer:
luda_lava [24]3 years ago
6 0

Answer: Fertilization in plants occurs after pollination and germination. Pollination occurs through the transfer of pollen which is the male microgametes of seed plants, producing the sperm – from one plant to the stigma (the female reproductive organ) of another.

Explanation:

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Which of the following represents a possible chromosome number of a species that uses sexual reproduction, and why?
Ann [662]

Answer:

B. 62, because this number will create a haploid cell, allowing both female and male gametes to be combined.

Explanation:

Sexual reproduction involves two organisms to come together (male and female). Sexually-reproducing organisms make use of a process called MEIOSIS to produce gametes or sex cells, which have a reduced number of chromosomes as the parent cells producing them.

A sexually reproducing organism must contain a complete diploid chromosome number (2n) that allows it to produce cells with a haploid chromosome number via meiosis. The haploid gamete cells that result from each meiotic divisions of male and female parents can combine to form a whole diploid organism.

3 0
3 years ago
Write three facts you discovered about patterns of heredity and human genetics
lubasha [3.4K]
If two parents have dark hair, the child will most likely have dark hair.
If one has light and the other dark, the child has a 75% chance of having dark hair or a dark-dominated mix because the gene for dark hair is dominant.
If two parents have light hair, the child will most likely have light hair.

Of course, it gets a lot more complicated than this, the genes of the child's grandparents and great grandparents could be carried by the parents as well. So if the parents have dark hair but they each have a parent with light hair, the light hair gene will be carried by them and could be passed on to the child. That's how it is with genetic disorders, such as Systic Fibrosis or Sickle Cell Anemia.
8 0
3 years ago
Why is the sickle cell allele still common in tropical regions?
slavikrds [6]
Sickle-cell disease is common in tropical and sub-tropical regions because being a carrier, carrying a single sickle-cell mutation (sickle cell trait), affords some resistance to malaria.
3 0
3 years ago
What weather follows a cold front?
disa [49]
A warm front brings gentle rain<span> or light </span>snow<span>, followed by warmer, milder weather.</span>
4 0
3 years ago
Your science teacher has asked the class to mke cell city model. which building or business in the city could represent the mito
pashok25 [27]
*mitochondria, and  it would be the power company, as the mitochondria produces the power
8 0
3 years ago
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