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Brrunno [24]
3 years ago
15

Dr. snider, a geneticist, is looking for a slight variation of a particular gene that would cause a certain abnormality. he is l

ooking for an:
Biology
1 answer:
Trava [24]3 years ago
6 0
I believe he is looking for an allele
An allele is a variant form of a gene. Some genes have a variety of different forms, which are located at the same position, or genetic locus, on a chromosomes. Humans are called diploid organisms because they have two alleles at each genetic locus, with one allele inherited from each parent.
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An unknown mineral scratches apatite and is scratched by corundum. What can you conclude about this mineral’s hardness?
Gala2k [10]

If we guide ourselves with the Moh´s scale:

Material scratches apatite → material is harder than 5.

Material is scratched by corundum → material is softer than 9.

Conclusion:

The hardness of the unknown material stands between 5 and 9.

Note:  

Both apatite and corundum are defining materials (reference materials in the Moh´s scale). So, you can also give an answer using defining materials:

"It can either be an orthoclase feldspar, a quartz or a topaz".

Hope it helped,

BiologiaMagister

<u><em>This answer is dedicated to JaySL</em></u>

8 0
3 years ago
Read 2 more answers
How many factors does a scientist want to differ between the experimental and control groups?
EastWind [94]

Answer:

1 factor deffer which is independent variable which is controled in control groups

6 0
3 years ago
Name_________________________________ Date_________ Per.____
pantera1 [17]

Answer:

IGUANA LIKE

Explanation:

3 0
3 years ago
Ben Affleck has a cleft chin, but his ex-wife Jennifer Garner does not. Neither one of their two daughters (Violet and Seraphina
kherson [118]

Answer:

Ben - Y Xc

Jen - XCXC

Violet - XCXc

Seraphina - XCXc

Samuel- Y Xc

Explanation:

Given -

Ben has a cleft chin

Let the allele for cleft chin be "c"

and the allele for normal chin be "C"

When Ben with cleft chin mates with wife Jennifer Garner having normal chin, then the two girl child do not have cleft chin but the boy has cleft chin.

This means that the allele C could be X -linked and the mother is not the carrier but the father is

The genotype of father Ben would be Y Xc

Genotype of mother would be XCXC

Genotype of two daughters XCXc  , XCXc which means they are carrier for the next generation

Genotype of Boy - Y Xc

3 0
3 years ago
Ganymede is one of the many moons of Jupiter. It is nearly spherical in shape. It is larger than the planet Mercury and slightly
Volgvan
<span>It moves in an orbit around Jupiter.</span>
6 0
3 years ago
Read 2 more answers
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