Answer:
The correct answer is option B. has a defective allele and normal phenotype.
Explanation:
Genetic carrier or the hereditary carrier is an organism or a person that has a recessive allele for a particular trait or character (generally mutation) but does not exhibit the trait or any character related to the trait.
The carriers are normal in the sex-linked characters in comparison to the autosomal traits. Females are generally the carrier for sex-linked characters and carry the allele to the next generation.
Thus, the correct answer is option B. has a defective allele and normal.
Mastectomy is the surgical procedure that involves removal of an entire breast and many of the surrounding tissue
The following are the expected ranks of biomes based on increased oxygen for plant growth and they are
1. Desert,
2. Grassland
3. Temperate Forest
4. Tropical Rain Forest
The desert biome is formed owing to very limited annual rainfall and it covers approximately 20% of the Earth. The Grassland is predominantly dominated by grasses while the temperature in the temperate forest is around 10 degree celcius. The plants and trees in this biomes develop special adaptations for their survival. However, the rain forest is characterized with all year round rain hence the biome is moist. The biome is known for vegetations with dense canopies.
Answer:
cells
Explanation:
cells carry out functions for life
Answer:
(-) sense single-stranded RNA
Explanation:
Negative sense refers to viruses that use the negative sense single stranded RNA as their genetic material.
It is essential for the negative viral strand is complimentary to the mRNA so it is converted to a positive RNA by RNA polymerase.
Negative sense single stranded RNA virus require an RNA dependent RNA polymerase for transcription. This is because it essential in encoding proteins by catalyzing the complimentary RNA strand to the given RNA tempelate.
