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Gnesinka [82]
3 years ago
9

What is dna and what is it made from​

Biology
2 answers:
morpeh [17]3 years ago
7 0

Answer:

DNA is made up of molecules called nucleotides. Each nucleotide contains a phosphate group, a sugar group and a nitrogen base. The four types of nitrogen bases are adenine (A), thymine (T), guanine (G) and cytosine (C). The order of these bases is what determines DNA's instructions, or genetic code.

Explanation:

Alenkasestr [34]3 years ago
5 0

Answer:

Dna are made up of molecules

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What chromosomes are found in body cells but not sex cells?
Leni [432]
None, egg cells don't have chromosomes. No, sex cells do have chromosomes. meiosis reduces chromosome number so that sex cells (eggs and sperm) have a half set of chromosomes–one homolog of each pair. This is the haploid number.
3 0
2 years ago
Define each of the terms in your own words. Do not copy the definition of the word from the glossary of your book. The goal of t
True [87]

Answer:

Gene: The hereditary material made up of alleles.

Alleles: The alternative forms of a gene.

Dominant: An allele or trait that masks the effect of recessive allele or trait.

Recessive: An allele or trait that gets suppressed by the dominant allele or trait.

genotype: The genome of a particular organism of the genes which make up an organism.

phenotype: The physical traits or characteristics of an organism.

test- cross: A cross in which the dominant and the recessive trait offsprings are crossed to depict whether the dominant organism is homozygous or heterozygous.

law of independent assortment: Alleles of different genes get assorted independently into gametes.

law of segregation: allele pairs segregate during gamete formation and unite at the time of fertilization.

product rule: Independent evens can be calculated by multiplying the independent probabilities.

Addition rule: The probability which shows that one event would occur in a mutually exclusive event.

co-dominant: When the dominant and the recessive trait occur and the organism shows both the characteristics of the dominant and the recessive trait.

incomplete dominance: when the dominant trait is not fully dominant over the recessive trait. As a result, individuals are produced which show neither the dominant or the recessive trait. A new trait is developed in them.

Explanation:

5 0
3 years ago
Which chemical formula reflects the diagram?
alukav5142 [94]

Answer:

BTW WHERE IS THE DIAGRAM

HAVE A NICE DAY

5 0
3 years ago
the deeper we go in the ground , the older things get . you agree with this statment explain your answer​
strojnjashka [21]

Answer:

True

Explanation:

It is correct to say that the deeper in the ground we go, the older things get. This statement is specifically valid in a terrain that has not been disturbed by tectonic activities.

<em>According to the law of superposition of strata "in a sequence of sediment, the oldest layer is usually at the bottom and the youngest is on top provided the area is undisturbed". </em>

Based on this law of superposition of strata, it clearly seen that the deeper we go down in the earth, the older things get.

8 0
2 years ago
someone pls help labeling the phases of the cells in an onion root. the phase terms to use are prophase meataphase anaphase and
Alborosie

1-metaphase, since an ecuatorial plate is formed

2.prophase since the nuclear envelope is starting to dissapear

3.Telophase since new nucleae started to form around each separated genetic material

4.Interphase

5.Interphase

6.Interphase

7.anaphase since genetic material(chromsomes) is pulled to the poles of the cell

8.Interphase

9.Anaphase

10.Interphase

11.metaphase

12.telophase

13.Interphase

14.Prophase

15.interphase

16.interphase

17.metaphase

18.interphase

8 0
3 years ago
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