(2nd Quarter) Lesson 2 - Factors Affecting Human Growth and Development - FINALS

Question 1

The threadlike structures found within the nucleus of a cell that carry the codes for inherited traits

Answer 1

Chromosomes

Question 2

How many chromosomes does each human cell carry?

Answer 2

46 chromosomes

Question 3

How many chromosomes does the sperm and egg cell carry?

Answer 3

23 chromosomes

Question 4

This is the basic unit of heredity. They are located in the chromosomes and carry the codes for individual traits and some diseases

Answer 4

Genes

Question 5

These are inherited not only from parents but also from ancestors. Examples are curly hair, dark eyes, flat nose or giantism

Answer 5

Dominant Traits

Question 6

These are traits inherited from fathers. Some characteristics and diseases more likely to appear in either boys or girls like color blindness

Answer 6

Recessive Traits

Question 7

These are traits that are carried in the germ plasm of one sex but appear in the child of the opposite sex

Answer 7

Sex-Linked Traits

Question 8

The sum total of a person’s surroundings. It is what influences an individual from childhood to adulthood

Answer 8

Environment

Question 9

This gland produces growth hormones which are responsible for the growth and development of an individual. It also regulates fertility

Answer 9

The Pituitary Gland

Question 10

It is a hormone that helps the body in using the energy from the food that one eats

Answer 10

Thyroxine

Question 11

It controls the response to stress and the amount of salt and water in the body

Answer 11

The Adrenal Gland

Question 12

A long gland located behind the stomach that produces the hormone called insulin

Answer 12

The Pancreas

Question 13

These glands regulate the amount of calcium and phosphorous in the body

Answer 13

The Parathyroid Glands

Question 14

It is the passing of traits from parents to their children

Answer 14

Heredity

Question 15

It controls the amount of sugar in the blood.

Answer 15

Insulin

Question 16

Give 2 examples of Dominant Traits

Answer 16

1. It is not only inherited by parents, but also from ancestors
2. Examples are curly hair, dark eyes, flat nose and giantism

Question 17

Give 2 examples of Recessive Traits

Answer 17

1. This is inherited from fathers, it can be inherited by boys and girls
2. One example is color blindness, which would most likely appear in boys

Question 18

Give one example of Sex-Linked Traits

Answer 18

A disease carried by one sex can appear in the opposite sex