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zalisa [80]
3 years ago
8

Bottleneck events lead to _______. a. population growth b. an increase in inbreeding c. an enrichment of dominant genetic traits

d. a reduced rate of species mutation
Biology
2 answers:
ozzi3 years ago
8 0
The answer is B. (an increase in inbreeding) hope this helped !!
r-ruslan [8.4K]3 years ago
3 0

Answer;

B. an increase in inbreeding

Explanation;

The Bottleneck Effect occurs when there is a disaster of some sort that reduces a population to a small handful, which rarely represents the actual genetic makeup of the initial population. This leaves smaller variation among the surviving individuals.

A population bottleneck is an event that drastically reduces the size of a population. The bottleneck may be caused by various events, such as an environmental disaster, the hunting of a species to the point of extinction, or habitat destruction that results in the deaths of organisms.

the genetic bottleneck can lead to inbreeding depression; the reduction of the population's fitness due to an increased likelihood of breeding between relatives that share deleterious genetic variants.

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Place the events in the correct order:
Alecsey [184]

Answer:

1. Chromatin condense into chromosomes.

4. Homologous chromosomes pair up (formation of tetrads).

5. Homologous chromosomes separate and move to poles.

2. Sister chromatids separate.

3. Chromosomes unravel in to chromatin.

Explanation:

This question portrays the process of meiosis in a cell. The ordered sequence of events in the options are:

1. Chromatin condense into chromosomes - This process occurs in the Prophase stage. Prior to the cell division, the nuclear material is found as Chromatin material. This Chromatin material then undergoes condensation to form visible chromosomes.

4. Homologous chromosomes pair up (formation of tetrads) - This process also occurs during the Prophase stage of meiosis I. In this stage, homologous chromosomes (similar but non-identical chromosomes received from each parent) are paired up side by side to form a structure known as TETRAD or BIVALENT.

5. Homologous chromosomes separate and move to poles - This process characterizes the Anaphase stage of meiosis I. Homologous chromosomes are pulled apart to opposite poles of the cell by spindle microtubules.

2. Sister chromatids separate - After meiosis I, meiosis II involving sister chromatids instead of homologous chromosomes follows. In the Anaphase stage of meiosis II specifically, sister chromatids are pulled apart towards opposite poles of the cell.

3. Chromosomes unravel in to chromatin - After the whole division process i.e. karyokinesis (division of the nuclear material), the chromosomes begin to unravel to form the CHROMATIN threads once again. This process occurs in the Telophase stage of meiosis.

5 0
3 years ago
Which component is missing from the process of cellular respiration?
liq [111]

Answer:Oxygen

Explanation: During cellular respiration, glucose is broken down in the presence of oxygen to form carbon dioxide, water and energy. Glucose + oxygen --> carbon dioxide + water + energy.

The balanced chemical equation for cellular respiration is C6H12O2 + 6O2 --> 6CO2+ 6H2O + Energy

3 0
3 years ago
The Golgi complex in a cell interacts with?
victus00 [196]

Answer:

It should be A

Explanation:

The Golgi apparatus is made up of stacks of membrane sacs. Transport vesicles, carrying proteins from the endoplasmic reticulum, enter the Golgi apparatus to be modified and stored. Eventually, these proteins are sent on to their final destinations inside or outside of the cell.

8 0
3 years ago
The individual sacs formed by the inner membrane are called
Sphinxa [80]

Answer:

Thylakoids

Explanation:

They are arranged in stacks

4 0
3 years ago
Proteins...
irinina [24]
I would say the answer is c or d
3 0
3 years ago
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