Answer:
Nucellus makes the most of the ovule. It encloses the embryo sac. They have abundant food reserves and therefore act as nutritive tissues for the embryo in some plants.
The control group in an experiment is a standard of comparison for the experimental group.
What is a control group?
- A control group is a group in an experiment or study that does not include the independent variable but serves as a comparison for the treatments given to the main experiments.
- The control group serve as a determinant in an experiment as to ensure that our experiment will work.
Some examples of control groups are:
- Positive control group
- Negative control group
- Placebo control group
- Randomized control group
- Untreated control group
- Double-blind control group
- Historical control group
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Cancer cells do not have the DNA program to stop replicating new cells the way normal cells do. This causes them to rapidly reproduce causing tumors.
Answer:
1 dominant allies are often represented with a capital letter
2 recessive allies however are represented with a lowercase latter
3 Heterozygous is The presence of two different alleles at a particular gene .
Explanation:
the first two questions where found in the passage
As for the third a heterozygous genotype may include one normal allele and one mutated allele or two different mutated alleles for example[ Hh, hh ]
