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dangina [55]
4 years ago
7

Which chromosomal event in meiosis explains mendel's principle of independent assortment?

Biology
1 answer:
fiasKO [112]4 years ago
6 0
Crossing over? That involves the random exchange of chromosomes. 
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Which components would be found in a eukaryotic cell but not in a prokaryotic cell?.
tia_tia [17]

The component which would be found in a eukaryotic cell but not in a prokaryotic cell is the nucleus.

<h3>What is the difference between a eukaryotic and prokaryotic cell?</h3>

A eukaryotic cell is a cell that possesses a true nucleus surrounded  by a nuclear membrane.

Examples of a eukaryotic cell is animal and plant cells.

A prokaryotic cell is a cell that lacks a true nucleus.

Examples of a prokaryotic cell is a bacterial cell.

Therefore, the components which would be found in a eukaryotic cell but not in a prokaryotic cell is the nucleus.

Learn more about eukaryotic and prokaryotic cells at: brainly.com/question/2088739

6 0
3 years ago
What type of behavior was among the first to evolve among the earliest(most primitive) animals?
Vlad [161]

Solution:

Primitive animals are ones that have not changed dramatically over the millennia and remain very similar to their ancestors.

The first members of the human lineage lack many features that distinguish us from other primates. Although it has been a difficult quest, we are closer than ever to knowing the mother of us all. Until recently, the evolutionary events that surrounded the origin of the hominin lineage — which includes modern humans and our fossil relatives — were virtually unknown, and our phylogenetic relationship with living African apes was highly debated. Gorillas and chimpanzees were commonly regarded to be more closely related to each other due to their high degree of morphological and behavioral similarities, such as their shared mode of locomotion — knuckle-walking. But with the advent of molecular studies it has become clear that chimpanzees share a more recent common ancestor with humans, and are thus more closely related to us than they are to gorillas (e.g., Bailey 1993, Wildman et al. 2003). The similarities between the living African apes were thought to have been inherited from a common ancestor (=primitive features), implying that the earliest hominins and our last common ancestor shared with chimpanzees had features that were similar, morphologically and behaviorally, to the living African apes (Lovejoy 2009). With the discoveries of the earliest hominin species discussed below, it is now possible to critically examine these assumptions.


7 0
3 years ago
If natural selection has no foresight, how can it explain features that seem to prepare organisms for future events? for example
Nezavi [6.7K]

The genes in a population give forth the genetic variability across a population (genotypes). In addition, occasional mutations of these genes in a population increase this genetic variability. Hovever, natural selection only favours reproduction of individuals with genes that are favourable in the environment/habitat. Therefore, natural selection has no foresight but is rather pegged on being an ‘opportunistic’ process.


4 0
3 years ago
What three phases of the cell cycle are considered interphase
Ber [7]
G1, S, and G2 The cell cycle has 4 phases those 3 and M phase... G1, S, and G2 together are called interphase.
5 0
4 years ago
PLEASE HELP!
LenaWriter [7]
According to Mendel's experiment if we construct a punnet square the expected ratios should be 9:3:3:1. From our experimental results,
purple smooth = 75 ( 0.56) the expected is 0.56
white smooth   = 28 ( 0.21) expected is 0.19
purple wrinkled= 24 (0.18) expected is 0.19
white wrinkled = 8 (0.06) expected is 0.06
From this results we plug the observable and expected values in a chi-square which is used to account for the differences between the expected and observable values. Then we conclude that the deviation of the observable value from the expected value is probably due to random sampling error and therefore we accept the hypothesis, such that the results are in consistent with the law of assortment.
6 0
3 years ago
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