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Alla [95]
3 years ago
5

Illustrate the position of the Earth, moon, and sun during a solar eclipse. You may do so by typing the words or by drawing and

labeling a picture.

Biology
1 answer:
il63 [147K]3 years ago
7 0
Here is the answer .. sun moon and earth line up with the moon in the middle

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Which statement compares how the euglena and volvox obtain food?
Gennadij [26K]

Both the Euglena and Volvox use an oral groove to obtain food, Brigid Ha. B. Both the euglena and volvox use chloroplasts to obtain food through photosynthesis.

this is what i looked up an got

4 0
3 years ago
A gene that affects hair length in dogs has two alleles. The allele for short hair (L) is dominant
Lelechka [254]

Answer:

This question lacks options, the options are:

A. Only recessive alleles are inherited from homozygous parents.

B. Dominant alleles grow weaker as they are passed from parents to offspring.

C. Only the parent with a dominant allele can pass that allele to offspring in sexual reproduction.

D. A heterozygous parent has an equal chance of passing either the dominant allele or the recessive allele to offspring.

The answer is D

Explanation:

This question involves a single gene coding for hair length in dogs. The allele for short hair (S) is dominant over the allele for long hair (s). This means that allele 'S' will always mask the phenotypic expression of allele 's' in a heterozygous state.

According to the question, two heterozygous dogs (Ss) were crossed to produce 6 shortt-haired offsprings and 2 long-haired offsprings. An heterozygous organism is that which contains two different alleles for a particular gene i.e. a combination of dominant and recessive alleles.

Based on this, during meiosis or gamete formation, an heterozygous dog (Ss) will produce gametes with the short hair allele (S) and long hair allele (s) in equal proportion i.e. 50-50. When the two gametes containing the recessive alleles (s) produced by each heterozygous parent fuses, an offspring with a recessive phenotype (long hair, ss) is produced.

Hence, a long-hair

phenotype can appear in the offspring of two short-haired dogs because a heterozygous parent has equal chance of passing either the dominant or recessive allele to the offspring.

6 0
3 years ago
New neural pathways are created and strengthened when you
sukhopar [10]

Answer:

<u>Repeat a behaviour.</u>

Explanation:

When we adopt a new behaviour, a neural pathway is created and it gets stronger when we repeat until it become a new normal behaviour or a habit. When a message travels in a same neuronal pathway again and again, the brain begin to transmit it even more faster and these behaviours become automatic.

8 0
3 years ago
Will be marked brainliest!<br> How would a physician be able to tell if STI is working?
algol [13]

Answer:

Doctors screen people for chlamydia and gonorrhea by taking a urine test or a swab inside the penis in men or from the cervix in women. The sample is then analyzed in a lab. Screening is important, because if you don't have signs or symptoms, you may not know that you have either infection

Explanation:

4 0
2 years ago
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Suppose 2 alleles on one homologous chromosome are c and d and the other homologous chromosome has alleles c and
scoundrel [369]
I think it would be 2
8 0
3 years ago
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