Answer:
75%
Explanation:
This question involves a single gene coding for the ability to taste the chemical PTC. The allele coding for the ability to taste (T) is dominant over the allele coding for the inability to taste (t). This means that an heterozygous individual will have the ability to taste PTC.
According to this question, if two heterozygous tasters (Tt) cross to have a large family i.e. Tt × Tt, the following gametes will be produced by each parent;
Tt = T and t
Using these gametes in a punnet square (see attached image), the following proportion of offsprings will be produced:
TT, Tt, Tt - Tasters (3/4 or 75%)
tt - Non-taster (1/4 or 25%)
Note that based on the question asked, there is a 75% probability that their first child will be a taster because there is equal segregation of alleles into gametes.
A is the answer, a squirrel wouldn't need to swim, a desert animal needs to be able to deal with low water conditions because there is little water in the desert and birds need to be able to groom themselves.
Sensory information
The somatosensory cortex is a structure located in the middle of the brain on both the right and left hemispheres. The somatosensory cortex is responsible for processing information we receive from all our senses, including:
1. Visual information- what we see
2. Auditory information- what we hear
3. Kinaesthetic information- what we can touch or feel
4. Olfactory information- what we can smell
5. Information from our taste buds
True. They were originally formed by the growth of layer upon layer of cyanobacteria, a single-celled photosynthesizing microbe that lives today in a wide range of environments ranging from the shallow shelf to lakes, rivers, and even soils. It is a prokaryote, with no nucleus.
Answer:
The long development time can be risky for both the embryo and the mother.
Explanation: The long development time can be risky for both the embryo and the mother.
