Growth and Development
Terms
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- It is impossible to meet all your needs by yourself.
- TRUE
- When will traits carried by recessive genes be expressed?
- only when 2(two) recessive genes are paired
- Artficially changed traits can be passed to children.
- False
- What indicates that a person is not mature?
- concern that other people meet their needs
- When does aging begin?
- At birth
- During what stage does puberty occur?
- adolesence
- Which gland secretes a growth hormone?
- pititary gland
- What are the threadlike structures made up of DNA?
- Chromosomes
- What are two secondary sex characteristics for a male and a female.
-
male 1. facial hair
2. voice changes - Reproductive cells produced by the male are called
- sperm cells
- Fertilization occurs when the sperm cell joins with an ovum.
- True
- The most critical period during pregnancy is
- 0-3 months
- Human cells contain 26 chromosomes.
- False
- When a person has reached full development, he or she has reached
- maturity
- What is the name given to an unborn baby after the second month?
- FETUS
- ________will not harm the embryo and fetus.
- Calcium
- All traits are carried by one pair of genes.
- False
- How many daughter cells are produced during meiosis?
- There are 4 daughter cells
- What characteristics is not inherited?
- bleached blonde hair
- What are two reasons to have a job?
-
make money
being responsible - The testes in a male body secrete a hormone called
- testosterone
- Meiosis is cell division of _________ cells.
- 4(four)
- At what age do most girls usually go through puberty?
- 11-14