Genetics Review

Ready????

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1. Yes2. No

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Who became known as the father of genetics?

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1. Watson2. Einstein3. Mendel 4. Bohr

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What two terms for traits did Mendel develop?

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1. Dominant and recessive

2. Big and little3. Hidden and

unhidden4. First and second

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What generation does the F1 generation come from?

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1. P2. F13. F24. F3

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Genetic make-up of an organism

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1. Phenotype2. Genotype3. Allele4. Hybrid

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Different forms of a gene

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1. Allele2. Punnett square3. Traits4. DNA

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An organism with different alleles for one trait

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1. Homozygous2. Heterozygous3. Pure4. Dominant

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Is covered up when the dominant form is present

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1. Dominant trait2. Recessive trait3. Gene4. phenotype

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Two alleles which are the same for a trait

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1. Homozygous2. Heterozygous3. Hybrid4. Phenotype

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An offspring which receives no dominant alleles will have this phenotype

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1. Hybrid2. Dominant3. Recessive4. rr

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All possible combinations of offspring Can be calculated by using a ________.

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1. Pedigree2. Genotype3. Graph4. Punnett Square

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If both parents of an offspring are hybrid, what is the probability that the offspring will have the dominant trait?

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1. 0%2. 25%3. 50%4. 75%

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The idea that each gene is inherited separately from any other gene is called the ______________.

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1. Law of Independent Assortment

2. Law of Segregation3. Law of Alleles4. Law of Dominance

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Hair color, skin color and height are all examples of _________ traits.

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1. Dominant2. Heterozygous3. Polygenic4. Recessive

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What type of inheritance produces an intermediate phenotype for the heterozygous genotype?

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1. Complete2. Incomplete3. Polygenic4. Dihybrid

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A ___________ is used to find the genotype of an unknown organism which has the dominant phenotype.

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1. Test Cross2. Hybrid Cross3. Pure Cross4. All of the above

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In a test cross the unknown organism is always crossed with a organism with a ________ phenotype.

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1. Dominant2. Recessive3. Hybrid4. Heterozygous

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What is the genotype for a monster that is heterozygous for purple fur color and has long hair.

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P= Purple Hairp= Black hairS = Short hairs = long hair

1. PPss2. PpSS3. PpSs4. Ppss

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Heterozygous genotypes are also said to be called _________ because they carry both alleles for a specific trait.

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1. Pure2. Homozygous3. Hybrids4. Alleles

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What is the probability that an offspring will have green eyes?

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R = red eyesr = green eyes

1. 0%2. 50%3. 75%4. 100% 10

What type of inheritance is shown in the pedigree below?

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1. Autsomal Recessive

2. Autsomal Dominant

3. Sex-Linked10

What is the genotype of individual II-3?

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1. Aa2. XAY3. XaY4. XaXa

5. XAXA10

What is the genotype of individual II-6?

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1. Aa2. XAY3. XaY4. XaXa

5. XAXA10

What is the genotype of individual IV-1?

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1. Aa2. AA3. XaXa

4. XAXA

5. XAXa10

A male is colorblind. He inherited this trait from his ________.

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1. Mother2. Father

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The mother of the boy has normal vision. Based on this information we can assume that she is _______

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1. Homozygous recessive

2. Homozygous dominant

3. Heterozygous4. A carrier5. Both 3 and 4

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The pedigree below shows which pattern of inheritance?

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1. Autosomal recessive2. Autosomal dominant3. Sex-linked

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What is the genotype of individual II-2?

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1. XaY2. XAY3. Aa4. AA5. Aa6. A-

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What is the genotype of individual III-2?

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1. XaY2. XAY3. Aa4. AA5. aa6. A-

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What is the genotype of individual III-5?

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1. XaY2. XAY3. Aa4. AA5. aa6. A-

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What type of inheritance is shown with the pedigree below?

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1. Autosomal Recessive2. Automal Dominant3. Sex-Linked

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What is the genotype for individual 8?

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1. AA2. aa3. Aa4. A-

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What is the genotype for individual 10?

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1. AA2. A_3. Aa4. aa

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In some cows the gene for fur color is controlled by codominance. The allele for red is equally dominant with the allele for white. The heterozygous phenotype is known as roan. What is the genotype for roan?

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1. Rr2. RR3. RW4. rr

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The cross of a red flower and a yellow flowers creates orange flowers. What type of inheritance is this?

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1. Complete Dominance

2. Codominance3. Incomplete

Dominance4. Sex Linked

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In which type of inheritance are two phenotypes expressed at the same time?

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1. Complete Dominance

2. Codominance3. Incomplete

Dominance4. Sex Linked

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Eye color in fruit flies is a sex linked trait. Red is dominant to white. When a white eyed female and a red eyed male are crossed, what percent of the male offspring will have red eyes?

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1. 0 2. 253. 504. 100

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When a carrier female is crossed with a red eyed male, what percentage of the male offspring will have red eyes?

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1. 02. 503. 754. 100

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