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3 years ago

How do you do this biology work

Biology

1 answer:

wolverine [178]3 years ago

7 0

Answer:

22 pairs of autosomes, 1 pair of sex chromosomes, I notice that the X and Y chromosomes are sex chromosomes and that they are different in length and size., The sex of this organism is male, as the genotype XY can only mean a male gender; female gender is denoted by the genotype XX., You didn't put in Karyotype A., The special circumstance is with group 21 of chromosomes. There are 3 instead of 2 in that group., This circumstance results in a condition known as trisomy 21, or Down Syndrome. Down syndrome causes a distinct facial appearance, intellectual disability, developmental delays, and may be associated with thyroid or heart disease. , Name the karyotype "Down Syndrome Karyotype?" (I'm not sure on the last one)

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Nucleic acid *

andreev551 [17]

Answer:

Explanation:

long chains of repeating subunits, called nucleotides

A nucleotide is the basic building block of nucleic acids

7 0

3 years ago

Which of the following best describes why scientists often study embryonic structures when determining evolutionary relationship

Aleksandr-060686 [28]

Answer:

I can help you

Explanation:

Scientist most likely study Embryos due to the fact that they are barely starting to develop.

We originally study an Embryo to see how humans change and form. So while Embryos are growing and developing into babies. We can study them and see how we change as a whole.

And in Evolutionary Relationship, we do it to help see how animals evolve as well.

Remember that all of this has something to do with Evolution and the change of Physical Structure.

5 0

3 years ago

Ionic compounds form ions in water.<br> True?<br> False?

krok68 [10]

Answer:

True

Explanation:

For example, NaCl - sodium chloride, when dissolved in water forms Na+ and Cl- ions.

4 0

3 years ago

Phosphorus (P) often occurs as a waxy solid in its natural state. Ifyou subdivide a piece of phosphorus until you have the small

ANTONII [103]

Answer:

An atom

Explanation:

An atom is defined as the smallest, indivisible unit of a substance.

Elements are defined as the simplest part of a substance that can no longer be broken down in a reaction.

<em>Elemental phosphorus is a substance and when a piece is subdivided until it becomes physically impossible to divide further, then it becomes an atom of phosphorus.</em>

The correct answer is atom.

4 0

3 years ago

What is an ecological barrier

Zanzabum

Answer:

Explanation: Ecological barriers are natural borders between two ecosystems such as a desert, rivers, or mountains.

8 0

3 years ago