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Strike441 [17]
3 years ago
7

Why a genetic bottleneck can be an important evolutionary factor for a species

Biology
1 answer:
melisa1 [442]3 years ago
6 0

Answer:

Genetic drift decreases genetic diversity within a population.

Explanation:

Genetic drift decreases genetic diversity within a population. It is a change in allele frequencies due entirely to random chance and is more likely to affect smaller populations than large ones. Population bottlenecks can lead to genetic drift.

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7. What characteristic of iron would make it a bad material for the housing
lakkis [162]

Answer:

it could not be used because it can attracts the magnets in which compass it self is a form of magnet which can utilize the magnetic properties of the earth to give a reading and Compass housings are often made of either brass, aluminium or plastic.

Explanation:

The characteristic of iron that would make it a bad material for the housing around a compass is that it could not be used because it can attracts the magnets in which compass it self is a form of magnet which can utilize the magnetic properties of the earth to give a reading reason been that Compass housings are often made of either brass, aluminium or plastic

Secondly it would confuse the magnet thereby making it un-useful or useless because the iron can easily become magnetized itself and Iron is a magnetic metal which can cause the needle of a compass to give a false reading thereby messing up the magnet's direction and making it useless.

5 0
3 years ago
Why is oxygen in the atmosphere such an important natural resource for humans and animals?
nydimaria [60]
Because it allows them to breathe and function.
5 0
3 years ago
What factors determine the type of rocks that forms underground?
True [87]

Answer: the answer is (d)

Explanation:

4 0
3 years ago
Read 2 more answers
What are some differences between the "Steady State" and "Big Bang" theories?
Alex17521 [72]

Answer:

The major difference between the Big Bang theory and the steady state model is that the the big bang theory comes with the belief and idea that all the matter were created as a result of one big bang explosive beginning.

The steady state model matter however talks about matter being created at a steady rate through a specified time. The model also talks about the process being continual and is still happening till today.

7 0
3 years ago
Please help me, I don't understand this
mihalych1998 [28]

Answer:

4, based on the assumption that the R allele is dominant over the r allele, and that the T allele is dominant over the t allele.

Explanation:

Any bush with a dominant petal color allele (R) will have red petals. This includes Rr and RR.

Any bush with a dominant bush size allele (T) will have a tall bush. This includes Tt and TT.

The only way to acquire a short bush or pink petals is to have two recessive alleles together (tt, rr).

RRTT, RrTT, RRTt, and RrTt -> red petals with tall bushes

RRtt, Rrtt -> Red petals with short bushes

rrTt, rrTT -> pink petals and tall bushes

rrtt-> pink petals with short bushes.

These are the four phenotype variations possible in this dihybrid cross.

4 0
3 years ago
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