2 years ago

How do you change the objective lenses?

2 answers:

8 0

Answer:

When focusing on a slide, ALWAYS start with either the 4X or 10X objective. Once you have the object in focus, then switch to the next higher power objective. Re-focus on the image and then switch to the next highest power.

Explanation:

Marta_Voda [28]2 years ago

4 0

Answer:

When focusing on a slide, ALWAYS start with either the 4X or 10X objective. Once you have the object in focus, then switch to the next higher power objective. Re-focus on the image and then switch to the next highest power.

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andreev551 [17]

The answer is B I believe!

8 0

2 years ago

If a dominant allele of one gene, a, is necessary for hearing in humans, and the dominant allele of another gene, b, results in

yKpoI14uk [10]

The correct genotypes of the parents are AaBb and Aabb

In a cross of these two genotypes presented in the image below, 5/8 of the offspring would be deaf.
The individuals marked with a red square would be deaf because of the recessive aa alleles and the rest of the progeny that is marked with green would be deaf because of the presence of the B dominant allele.