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beks73 [17]
4 years ago
11

Explain dna is considered the hereditary material

Biology
1 answer:
rodikova [14]4 years ago
7 0
Yes, Dna is considered the hereditary material. :)
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Match the following terms and definitions. 1.breeding of individuals that have genes for two different characteristics codominan
Luden [163]
<span>Answers;
1.Breeding of individuals that have genes for two different characteristics; Dihybrid cross
2.A grid system used to predict possible combinations of genes due to random fertilization; Punnet square
3 A condition in which both alleles are dominant; Codominance
4.when more than two alternatives exist for a gene; multiple alleles
5.A condition in which neither pair of alleles is dominant or recessive, so the traits blend in the phenotype ;Incomplete dominance;

Explanation;
</span>Dihybrid cross;
<span>It involves the breeding of individuals that have genes for two different characteristics. It involves the cross of individuals that are both heterozygous for two different traits. For example two different traits in a pea plant; color and shape; for color we have; Y-allele for yellow seeds and y- allele for green seeds, For Shape trait; R-allele for round seeds and r-allele for wrinkled seeds. So the dihydbrid cross would be (RrYy </span>× RrYy). 
<span>
Punnet square;

</span><span>This a grid system or a square diagram that is used to predict possible combinations of genes due to random fertilization. It is used by biologists determine the probability of an offspring having a particular genotype. 
</span><span>The letters on the outside of a Punnett Square stand for the parent allele.
</span>
Codominance
;
<span>This is a condition in heterozygotes in which both members of an allelic pair are dominant and both contribute to the phenotype. 
A good example of codominance is the ABO blood group; A person with blood group AB, it means that both the A allele and B allele are equally expressed. 

Multiple alleles

</span><span>This is when more than two alternatives for a gene exist.
Examples of multiple allelism in human;The genes of the ABO blood group system. The human ABO system is controled by three alleles, namely; A-allele, B-allele and O-allele.

Incomplete dominance;
</span><span>This is condition in heterozygotes in which both members of an allelic pair are neither dominant nor recessive to other alleles, so the two traits blend in the phenotype of the individual. 
An example; is a snapdragon flower that is pink as a result of cross-pollination between a red flower and a white flower. Which means neither the white allele or the red allele are dominant. </span>
7 0
4 years ago
Read 2 more answers
Photosynthesis is an important process that converts light energy into what
liq [111]

B Nuclear is the answer

5 0
3 years ago
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Which of the following is an example of a renewable resource?
nordsb [41]

Answer:

crops is a renewable resources, coal, natural gas and oil are not renewable as they will not last forever.

8 0
2 years ago
A Ferrel so moved between
Arte-miy333 [17]

do you have a graph or an image you can attach

7 0
4 years ago
The hindbrain of the embryo develops into the pons, the medulla oblongata, part of the spinal cord, and what other structure?
Zepler [3.9K]

The hindbrain of the embryo develops into the pons, the medulla oblongata of the spinal cord and the cerebellum.

<h3>What is the cerebellum? </h3>

The cerebellum is a prominent part of the hindbrain and is located just above the brainstem. The cerebellum controls all the voluntary movements of the body and is also responsible for maintaining balance and posture.

The cerebellum is said to make up for 10% of the brain's volume but has more than 50% of the brain's total neurons.

The cerebellum is made up of two parts; a cerebral cortex, a layer made of folded tissue which contains most of the neurons and cerebral nuclei, an inner part which contains the neurons responsible for communication.

Therefore, the hindbrain develops into the pons, medulla oblongata and cerebellum.

Read more about the cerebellum, here

brainly.com/question/12960127

#SPJ4

8 0
2 years ago
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