Vocabulary
What does the word "variation" mean?
Having a variety of genetic combos and/or traits.
Two blue-eyed people have kids. What is going to be true of the eye color of their children?
Their children must have blue eyes.
Hybrid =
Purebred =
Categorize the following into the sections above:
BB, Bb, bb, homozygous, heterozygous
Hybrid = Bb, heterozygous
Purebred = BB, bb, homozygous
The blue eye phenotype is recessive to the brown eye phenotype. What must be true about the genotype for having blue eyes?
It will always be bb.
True or false: mutations are always harmful.
False
Match the following two vocab words to their definitions:
Word Bank: Trait, Mutation, Heredity
(A) Any change to the sequence of DNA.
(B) Process of passing down traits over time
(C) Characteristic, such as fur color
Trait = (C)
Mutation = (A)
Heredity = (B)
Two brown eyed parents have kids. Some of their children have blue eyes. How is this possible?
Both parents are heterozygous (Bb) and contributed the little b to their kids genotype.
bb x bb
What is the difference between homozygous and heterozygous?
You must use the following vocab: allele, different, same, BB, Bb, bb
Homozygous: getting the same allele from each parent (BB, bb)
Heterozygous: getting different alleles from each parent (Bb).
Please list some examples of asexual reproduction.
1. Binary Fission
2. Fragmentation/Regeneration
3. Parthenogenesis
4. Vegetative Propagation
5. Budding
Match the following two vocab words to their definitions:
Word Bank: Genetics, DNA, Allele
(A) a version of a gene
(B) molecule containing the genetic code
(C) scientific study of heredity
Genetics: (C)
DNA: (B)
Allele: (A)
Who sang at the NFL half time show this year? (the main performer)
Kendrick Lamar
If 'B' is dominant for brown eyes and 'b' is recessive for blue eyes, what is the percent chance of having brown eyes if one parent is homozygous dominant and the other is homozygous recessive?
100%
Do genotypes lead to phenotypes
OR
Do phenotypes lead to genotypes
EXPLAIN.
Genotypes lead to phenotypes because our genes code for our physical traits.
Is a self-pollinating flower considered sexual or asexual reproduction? Why?
Sexual --> "male" and "female" parts in the flower.
What are offspring? What is a 'generation'?
Offspring = babies
Generation = group of living things that are born and grow up around the same time.
100% of the offspring in a Punnett square are heterozygous. What must be the parent genotypes?
GG x gg
Bb x Bb
How is a gene different from a DNA strand?
A gene is a section of DNA that codes for a protein.
Answers may vary
What is the sequence of nitrogen bases that form instructions for building ONE protein called?
Please give the most specific answer possible.
Genetic code / genes
Using the following data, please work backwards to find the parent genotypes.
Fur color // Number of Offspring
Black Fur // 52
White Fur // 48
Total // 100
Ff x ff
Two heterozygous brown eyed people have children. Which of the following are possible?
A. All brown eyed kids
B. 2 blue eyed and 3 brown eyed kids
C. 3 blue eyed and 2 brown eyed kids
D. All of the above
D. All of the above
A chromosome is....
a neatly wrapped DNA strand (wrapped around proteins in the nucleus of the cell)
Compare and contrast sexual and asexual reproduction for the following things:
1. Number of parent(s)
2. % DNA shared between parent(s) and offspring.
3. Benefits/Drawbacks
1. Sexual=2 Asexual=1
2. Sexual=50% Asexual=100%
3. Benefits for sexual=variation, Benefits for asexual=FAST & opposites for drawbacks