Biology Answers

1. Determine the genotypes of the family and their children, with a wife's height of 155 cm, with a husband's height of 175 cm

A woman with black eyes marries a black-eyed man. One blue-eyed child was born from this marriage.

Questions:

1) Determine the genotypes and phenotypes of all family members and the likelihood of having a blue-eyed baby. Describe the type of inheritance?

2) What Mendel's law is observed in this case? Why?

3) Give 5 examples of human diseases with this type of inheritance.

Malignant tumors are sometimes treated with drugs that halt mitosis and thus stop production of new cancer cells. Two such drugs, vincristine sulfate

While investigating different cells under electron microscope one could determine that some of the cells contain single microvilli on their surface, other cells contain brush border. What function do the cells of each type perform?

1. On the free surface of cells there are some structural components each of which contains nine pairs of peripheral and two pairs of central microtubules. What do we call; those structural components? What function do they perform?

Tables

Write down in a notebook the requirements for a histological specimens

It is necessary to compile the table about basic stages of preparation of histological specimens

Stages of preparation of the histological specimens The essence of the stage (describe)

What are the characteristics of antibody-antigen?

2. During the surgical operation, it became necessary for the histological analysis of the operated organ. What methods of histological examination should be used in this case?

What molecules does the cell need in order to build the new copies of DNA?

1. In the classroom, a student examines a micropreparation under a microscope with an objective 40 times and an eyepiece 15 times. How many times is the visible image of structures larger than the true one?