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IRINA_888 [86]
3 years ago
9

The passage of a bolus of food down the esophagus is assisted by what? MULTIPLE CHOICE.

Biology
1 answer:
AnnyKZ [126]3 years ago
6 0

Answer:

the lower esophageal sphincter

Explanation:

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A student in genetics class is studying the inheritance patterns in fruit flies. He is looking at the traits for wing length, lo
Step2247 [10]

Answer:

LLgg, Llgg , two out of 16

Explanation:

Given,

Dominant - Long wings and Gray color

Recessive - Short wings and Brown color

Let the allele for long wings be "L" and the allele for short wings be "l".

Let the allele for brown color be "g" and allele for gray color be "G"

Genotype of parents

LlGg

Gametes of the parent

LG, Lg, lG, lg

Dihybrid cross is between LlGg and LlGg

The offspring produces will be as follows -

LG        Lg         lG         lg

LG LLGG LLGg LlGG LlGg

Lg LLGg LLgg LlGg Llgg

lG LlGG LlGg llGG         llGg

lg LlGg Llgg         llGg         llgg

Offspring with long wings and brown color – LLgg, Llgg , two out of 16

6 0
2 years ago
Quiz 4 : Taxonomy and origins
olga55 [171]
Taxonomy is the science of defining and naming groups of biological organisms on the basis of shared characteristics.
7 0
3 years ago
The Scientific Metho
Xelga [282]

Answer:

a.)

Explanation:

8 0
2 years ago
You have a fishbowl in your bedroom filled with water and you realize after a week that the water level had Gone down a little b
MakcuM [25]

Answer:

Evaporation.

Explanation:

Most cases of dropping water levels are simply evaporation, usually caused by higher temperatures in warmer climates.

7 0
2 years ago
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Three species of lizard, labeled A, B, and C, are being studied using molecular analysis by two research colleagues in different
Andreyy89

Answer:

The most appropriate answer would be option B.

The flaw in their reasoning is that they compared different molecules in a different set of organisms.  

For example, they compared the DNA of lizard A and B whereas they compared the RNA of lizard B and C.

In addition, the mutation rates of different molecules (DNA and RNA) are different and thus, comparison of DNA in one set of organism and comparison of RNA in another set cannot be used as the basis for the conclusion.

7 0
3 years ago
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