Answer:
Populations of organisms that exhibit a high degree of variation have a greater chance for survival than populations of organisms that show little variation. This statement is usually true.
Explanation:
Answer:
what did you say? i speak english
Explanation:
only one kind of gamete could be produced for an individual with the genotype bbff through the process independent assortment
Different chromosomes segregate independently of one another as cells divide during meiosis. Homologous chromosomes are distributed to daughter cells at random. This is referred to as independent assortment. Gametes with distinctive chromosomal arrangements are the consequence. After meiosis, a gamete will contain 23 chromosomes, but due to independent assortment, each gamete will have one of a large number of chromosome combinations.
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Answer:
aluminum: bauxite and corundum
Copper: chalcopyrite
Tin: Cassiterite
Explanation:
Option A, C, D and E are applied.
<h3><u>Explanation:</u></h3>
Cancer is a disease in humans where there's uncontrolled cell division which doesn't stop in absence of a inhibition.
Cancer cells do show different characteristics which are different from the normal cells. Firstly, they doesn't show contact inhibition. They don't stop dividing inspite of contact with the surrounding cell from each side. This results in the Tumour or nodule formation.
Secondly, they secrete factors which supports growth of new blood vessels around the tumours. They are called angiogenesis promoting factors.
Thirdly, they divide very rapidly, much higher than normal cells. So the biopsy slide with frequent mitotic figures are very common. And these cells lack telomerase, which leads them to live much longer than what is expected lifespan of a normal cell. They don't even need a growth signal for their division.