Download Grade 9 & 12 Genetics Challenge Activity

Genetics Challenge
Grade 9 & 12 Genetics
Mrs. S. Pipke-Painchaud
&
Mr. H. Weber

What is term called for the passing of the traits from
parent to offspring?
_________________ (1)

What is the area of science called that studies the
passing of characteristics from parent to offspring?

_________________ (1)
Who is considered the Father of Genetics?
_________________ (1)

What does DNA stand for?
____________________________(1)

What is the structure of DNA?
___________________________ (1)

Who discovered the structure of DNA?
___________________________ (1)

How many chromosomes do humans possess? (2n – diploid)
_____________________ (1)

Where are the chromosomes found within the cell?
_____________________ (1)

What specific part of that organelle are they located in?
______________________(1)

In the sex chromosomes, XX codes for
____________________. (1)

In the sex chromosomes, XY codes for
____________________.(1)

Who (mother or father) determines the sex of the child?
_____________________(1)



What is the name of the gamete the female
produces?
___________________________ (1)
What is the name of the gamete the male
produces?
___________________________ (1)
When the female and male gamete combine,
what do they form? (the name for the single cell)
___________________________ (1)

The term used to describe two identical alleles
for a particular trait?
_________________ (1)

The term used to describe two different alleles
for a particular trait?
_________________ (1)

If you were a carrier of a genetic disorder, which
of the two types listed would you need to
possess?
_________________ (1)
If you saw a genotype Gg, how would you
describe those alleles?
________________(1)
 If you saw a genotype tt, how would you
describe those alleles?
________________(1)
 If you saw a genotype RR, how would you
describe those alleles?
________________(1)


How many base chemicals (nitrogen bases) are
in DNA?
______________________ (1)

List the names of the base chemicals in DNA
and how they pair together.
___________ & __________ (1)
___________ & ___________ (1)

What plant did Gregor Mendel work with?
____________________(1)

What is the scientific name for this plant?
____________________(1)

How many chromosomes does this species of
plant possess?
____________________(1)
Bunnies have straight ears or floppy ears. Straight ears
are dominant (EE or Ee) and floppy ears are recessive
(ee). If a straight eared (Ee) bunny is crossed with a
floppy eared bunny (ee).
Space for your calculations…




What percentage of the offspring will have straight ears?
_________________________(1)
What percentage of the offspring will have floppy ears?
_________________________(1)
What percentage are heterozygous straight eared?
_________________________(1)
i)
In Martians, green skin color is dominant over white.
What would the phenotypic ratio be if you crossed a
homozygous green skinned Martian with a
heterozygous green skinned Martian?
What is the legend for this question?(1)
ii)
What are the genotypes of the parents?(1)

__________ X ___________
iii)
What is the phenotypic ratio? (1)

This process creates exact copies of cells.
 This
process is called _________________ (1)

If you started with 1 cell with 46 chromosomes,
you would end up with ______ cells with _____
chromosomes in each. (1)

What organism in Kingdom Animalia has 46
chromosomes?________ (1)

What process produces gametes?
____________________ (1)

In humans, what two types of gamete cells
are produced from this process?
__________________ & _______________ (1)

How many chromosomes would each of
these cells have? (Humans)
________________________ (1)

Define following words:
 Diploid
(1)
 Haploid
 If
(1)
a Martian has 150 chromosomes, how
many would its gametes have?
_______________ (1)

In the Lion King movie, Timon is an
example of what type of animal?
________________(1)

What is Timon’s diploid number of
chromosomes?
_________(1)

What type of animal is
Pumba? ______________(1)
In Martians, large feet are dominant over small feet. What
phenotypic ratio would result from a cross of a Martian with small
feet and a Martian who is heterozygous for large feet?
Include your Key:

What are the genotypes of the parents? (1)
________ X ________
Phenotypic ratio:
__________________________________________________ (1)

What is the chance (probability) of having a Martian with small feet?
(write the fraction)
____________________(1)

What genetic disorder results from 3 chromosomes at the 21st spot?
____________________ (1)

What disorder causes normal red blood cells to take on a half moon
shape and unable to use hemoglobin correctly?
____________________ (1)

What does hemoglobin transport to the cells of the body?
____________________ (1)

What genetic disorder would you have if you
could not see the numbers in the image to
the right? (enlarged images on the following slide)
____________________________(1)

What is the genetic disorder where the person’s blood
does not clot properly?
____________________________(1)

What is the genetic disorder that produces thick sticky
mucous in the lungs and digestive system?
____________________________(1)
Enlarged image for #18
References:

Chromosome #s:
http://en.wikipedia.org/wiki/List_of_organis
ms_by_chromosome_count