Transcript 5th 6 Weeks 3 Week Test Review

5th 6 Weeks 3 Week Test Review
By: Katherine Pease
Describe what the difference between a
heterozygous and homozygous
genotypes.
• Heterozygous = 2 different alleles (Tt)
• Homozygous = 2 of the same allele (TT /
tt)
• GG Bb Ff tt NN Mm Uu zz HH Pp oo BB
Jj
A man who is heterozygous for the
ability to roll his tongue marries a
woman who is a non-roller. Complete a
punnett square to find out the
probability of their children being able
to roll their tongues. R= can roll tongue
r= can not roll tongue
If brown eyes are dominant, draw a
punnett square to show how two brown
eyed parents can have a child with blue
eyes. Include the genotype and
phenotype information.
Complete the following:
A ____ is a segment of _____
that contains information
controlling a particular trait.
_______ forms chromosomes
found in the _____ of a cell.
If you get hurt in the lab what is the first
thing you should do?
• Tell the Teacher
Which body system transports
materials to and from the body cells?
• CARDIO-VASCULAR
Which body system exchanges
oxygen and carbon dioxide gases?
• RESPIRATORY SYSTEM
Which body system breaks down food
and absorbs digested materials?
• DIGESTIVE SYSTEM
Which body system removes
wastes from blood?
• EXCRETORY SYSTEM
Which body system enables the
body to move
• MUSCULAR SYSTEM
Which body system sends
messages throughout the body?
• NERVOUS SYSTEM
Which body system controls many body
process by means of chemicals; helps
the body maintain homeostasis?
• ENDOCRINE SYSTEM
Which body system produces
offspring?
• REPRODUCTIVE SYSTEM
Which body system supports and
protects the body?
• SKELETAL SYSTEM
Which body system fights disease
and infection in the body?
• IMMUNE SYSTEM
Which body system protects and
covers internal structures from the
outside environment?
• SKIN, INTEGRUMENTARY SYSTEM
Label each type of joint below..
• Pivot
• Gliding
• Ball and socket
• Hinge
When cutting the chicken wing you
always move the scalpel, scissors
_____ from your body.
• Away
Gives shape and ____ to your
body.
• support
Protects you ___ organs.
• internal
_____ are attached to bones to
help them move.
• muscles
Blood cells are formed in the bone
____.
• marrow
________ and _______ are stored
in the bones.
• Phosphorus
• calcium
What are internal stimuli? Give an
example.
• Something that causes a
reaction from with-in the body
• Example: Hunger, thirst,
temperature, pain
What are external stimuli? Give an
example.
• Something that causes a
reaction due to your outer body
surroundings.
• Example: Pain due to someone
hitting you, picking up your cell
phone when it rings, jump when
hear a loud noise
Capital letters represent
_________ alleles in a genetic
cross.
• Dominant
Lower case letters represent
_______ alleles in a genetic cross.
• recessive
Describe the difference between
phenotype and genotype.
• Phenotype =physical
appearance
• Genotype = genetic make up
(2 alleles)
A cross between a blue eyed person
produces four blue eyed children.
What is most likely the dominant color?
• blue
Another term for heterozygous is
_________.
• hybrids
Another term for homozygous is
__________.
• Purebred
The _____ is an organ in the male
reproductive system that produces
gametes (sex cells) called __________.
• Testis
• sperm
The _____ is an organ in the female
reproductive system that produces
gametes (sex cells) called __________.
• Ovaries
• Eggs (ovum)
___________ fertilization is a type of
reproduction where egg cells are
fertilized by sperm outside of the body.
• external
In humans the ___ pair of
chromosomes determines the sex
of the off spring. _______
chromosomes will result in a female
offspring and __ will result in male
offspring.
Species
Number of
Number of
chromosomes in
chromosomes in
body cells (diploid) gametes (haploid)
Humans
46
Fruit Fly
Leopard Frog
4
26
Housefly
6
Monkey
21
Chicken
78
Describe a situation when your body
experiences external stimuli and how it
would respond…
• (answers will vary)
• Flight or Fight syndrome
What is heredity?
• The genetic traits that are
inherited from an organisms
biological parent.
What part of the cell contains the
genetic material?
• Nucleus
–Contains the chromosomes
Sequence these words from least to
most complex:
Gene, cell, nucleus, chromosome
• Genes
• Chromosome
• Nucleus
• cell
• Study Hard!!!
• Must have 100% Passing for
class to dissect at end of 6
weeks.
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