How does the genetic information inherited from an organism’s parents affect its characteristics?
7 points
7
Question 2
2.
Draggable item
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Corresponding Item
allele
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any of several possible forms of a gene
chromosome
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intracellular structure made of the cell's double stranded DNA bound to DNA-binding proteins
dominant allele
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an allele that is fully express in the phenotype of a heterozygote
heterozygous
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the genetic code or trait an individual inherits from their parents that determines their physical traits (phenotypes)
homozygous
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an organism that has two different alleles for a trait
genotype
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an organism that has a pair of identical alleles for a trait
phenotype
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the observable traits of an individual passed from parent to offspring
recessive allele
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a genetic trait that is unable to be expressed when a dominant gene is present
1 point
1
Question 3
3.
Curly hair is dominant: C
Straight hair is recessive:c
Mom has curly hair. What are her possible genotypes?
1 point
1
Question 4
4.
Curly hair is dominant: C
Straight hair is recessive: c
Dad has straight hair. What is his possible genotype?
1 point
1
Question 5
5.
Curly hair is dominant: C
Straight hair is recessive: c
Mom has curly hair and is heterozygous.
Dad has straight hair and is homozygous recessive.
What is the probability that their kids will have curly hair?
3 points
3
Question 6
6.
Chromosomes consist of ______________________ strands. An ___________ for a trait is found in the DNA of each chromosome. Chromosomes are located in the ____________ of a cell.
Other Answer Choices:
allele
DNA
nucleus
1 point
1
Question 7
7.
Draw me a picture of a cell (black) with a nucleus (blue) and two chromosomes inside the nucleus (red).
1 point
1
Question 8
8.
Draw me a double helix DNA.
1 point
1
Question 9
9.
This is a karyotype. How many pairs of chromosomes are there?
1 point
1
Question 10
10.
How many individual chromosomes do you see?
1 point
1
Question 11
11.
Which numbered pair of chromosomes is the sex chromosome?
1 point
1
Question 12
12.
Which sex chromosome is smaller?
1 point
1
Question 13
13.
Does this karyotype belong to a boy or a girl?
1 point
1
Question 14
14.
Which chromosome has more genes (more genetic information)?
1 point
1
Question 15
15.
In every generation of this family, the boys have this deformity. Which chromosome is mutated?
