ezzyandrade7
29.06.2019 •
Biology
Why would calcium homeostasis be impaired in response to removal of the thyroid gland
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Ответ:
Ans.
Calcium homeostasis is defined as the process of regulation calcium ion concentration in blood and interstitial fluid. Hormones that regulate calcium ion level in body are calcitonin and parathyroid hormone.
The calcitonin decreases the concentration of calcium ions in blood, while parathyroid hormone increases the calcium ions in blood. The calcitonin hormone is synthesized and secreted by thyroid gland, while parathyroid gland synthesizes and secrets parathyroid hormone.
Thus, 'removal of thyroid gland shows impaired calcium homeostasis due to absence of calcitonin hormone.'
Ответ:
heterozygous
Explanation:
The genotype of an organism is its genetic makeup which is characterized by the presence of alleles of a gene.
The genotype can be broadly of two types :
1. Heterozygous - when an individual has 2 different variants of a gene known as alleles, then the person is said to be heterozygous for that gene.
2. Homozygous - if both the alleles of a gene are the same, then the person is said to be homozygous.
Since in the given situation you have two different alleles - yellow and green represented by Y and y, the individual is heterozygous.