The answers are:
<span>a. -/b+
</span><span>d. b/b+</span>
b+ - the allele for normal bristles
b - the allele for bent pristles
Monosomic means there is only one instead of two alleles in a gene locus.
So, the parents' genotypes are:
<span>monosomic bent bristles: -/b
</span><span>diploid normal bristles: b+/b+
</span><span>The following cross is conducted of true-breeding adult flies:
Parents' phenotype: monosomic bent bristles x diploid normal bristles
Parents' genotype: -/b x b+/b+
F1 generation: -/b+ -/b+ b/b+ b/b+</span>
Answer:
The correct statements about nutrition for older adults are:
1-Many older adults have difficulty absorbing vitamin B12 from food.
2-Severe arthritis can impact mobility as well as diet choices.
Explanation:
Many older adults have difficulty absorbing vitamin B12 from food bacause With as human grows older, it can become harder to absorb this vitamin.
Yes, it's possible for Severe arthritis to have impact on mobility as well as diet choices, It can result in chronic pain, inability to do daily activities and difficult to walk as we grew older.
This make option 1 & 2 the right answer.
Herbal supplements are not safe to manage health conditions irrespective of age factors, because the proportions of the chemical combinations in the herbs are not in right amount.
Also, in older adults , exercise will not increase risk injury. The sole purpose of exercise is to maintains of the body and a healthier life.
There are 23 pairs chromosomes in the human cell.
They are the source of new genetic variation
