HS 5 Quiz Flashcards
This principle in the development across lifespan states that “like begets like”; e.g., cats will have kittens; and dogs will have puppies
Principle of reproduction
This principle, on the other hand, states that no two individuals are exactly alike.
Principle of variation
How many chromosomes does a human person have?
46 or 23 pairs
Gonosomes are also know as
It refers to the 23rd pair of chromosomes of a human person.
Gonosomes
This principle of development states that within the confines of possible traits heritable, probability has an
impossible. important role, making absolute prediction almost
Principle of chances
This refers to the process of transmission of traits from parents to offspring through genes.
Who determines the sex of the offspring?
XY
This occurs when the sperm penetrates the ovum.
The main gonads of females.
Ovary
The main gametes of males.
The largest human cell in the human body of females.
Ovum
This type of twin occurs when a single fertilized ovum divides into two separates cells and develop into two individual organisms.
Identical Twins
This type of twin develops out of separately fertilized ova.
Fraternal Twins
Structures in the cell nucleus that carry DNA and proteins
Chromosomes
It refers to the fertilized egg.
Zygote
The concept that development is a continuous interaction between genes and the environment.
The observable characteristics of an individual.
Phenotype
AKA the “bleeder’s disease”
Hemophilia
A chromosomal abnormality where a male has an extra Y chromosome
XYY
The principle that describes how genes and environments influence each other, leading to correlations between these two factors.
The 22 pairs of chromosomes that are not involved in determining sex.
Autosomes
A syndrome caused by a missing or partially deleted X chromosome in females.
Turner’s Syndrome
The technical term for egg cell (singular)
Ovum
This term describes how well differences in people’s genes account for differences in their traits.
This term describes how well differences in people’s genes account for differences in their traits.
