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WorksheetsUnit 2 Test Review: Birth Defects and Genetics
Total questions: 15
Worksheet time: 8mins
How many chromosomes are contained in each mature sperm cell?
23
21
46
32
Fertilization usually takes place in the:
Uterus
Urethra
Fallopian Tube
Ovary
What is the opening of the uterus called?
Ovum
The cervix
Vagina
The fallopian tube
The passageway carrying the sperm away from the epididymus:
Vas Deferens
Scrotum
Urethra
Seminal Vesicle
The ______________produces sperm and the hormone testosterone.
Semen
Epididymus
Scrotum
Testicle
The process of releasing a ripened ovum from the follicle within the ovary.
Endometrium
Conception
Ovulation
Menstruation
A recessive (weaker) gene will produce a trait only when it is:
Transmitted by both parents.
Transmitted by the father
Transmitted by the mother
Transmitted by either parent
Passing on genetic characteristics from one generation to another is known as:
Sequence
Heredity
Tradition
Nurturing
Pregnant women are advised against smoking because the nicotine can:
Stimulate the expectant mother's appetite and cause overeating.
Cause Muscular Dystrophy
Decrease the fetal heart rate, slow the fetal growth, and cause low birth weight.
Affect the expectant mother's emotional health
Which of the following carries the inherited traits that are passed on from parent to child?
Genes
Fallopian Tubes
Sex(x)-linked birth defects
Testicles
Identical Twins are:
Twins that develop from two separate eggs, each fertilized by different sperm.
Twins that remained connected together and did not fully divide during prenatal development.
The opposite sex (one is a boy and one is a girl)
Twins that develop from a single fertilized egg that completely divide during prenatal development
True or False: Identical twins can be the opposite sex/gender (one is a boy and one is a girl) of each other.
This is false based on the genetic make-up of each kid.
This is true based on the genetic make-up of each kid.
Fraternal twins will only be the same sex/gender.
conjoined twins will only be different sex/gender.
When are genetic/heredity traits, such as height, determined?
At birth
Over the course of ones' life
At conception
Over the course of prenatal development
Which gender (parent's) sex cell determines the gender of the unborn child?
The Female/Ovum
The Male/Sperm
Whichever sex-cell is stronger
The parents flip a coin and go from there.
Which is NOT a birth defect caused by lifestyle and environment?
PKU
Fetal Alcohol Syndrome
Genital Herpes
Aids
