Genetics 1

Match the following

• RRYY

• Homozygous Dominant for Two Traits

• rryy

• Homozygous Recessive for Two Traits

• RrYy

• Heterozygous for Two Traits

• RRYY, RRyy, rrYY or rryy

• Homozygous for Two Traits

Match the following

• Dominant Trait (T in Tt)

• This trait is expressed with heterozygous genotype

• Homozygous (TT or tt)

• This trait is NOT expressed with heterozygous genotype

• Heterozygous (Tt)

• 2 Same Alleles for Same Trait

• Recessive Trait (t in Tt)

• 2 Different Alleles for Same Trait

Tall (T) is dominant to short (t). Cross a heterozygous tall plant (Tt) with a short plant (tt). What is the ratio of tall to short plants?

• 0:4

• 2:2

• 3:1

• 4:0

There is a recessive disease with the allele d. The normal allele is D. Mom and dad are both normal. They have 2 normal kids and 1 kid with the disease. Organize these options into the right genotype categories.

Groups:

(a) DD

,

(b) Dd

,

(c) dd

• Genotype for Kid with Disease

• Mom's Genotype

• Homozygous Recessive Genotype

• Homozygous Dominant Genotype

• Dad's Genotype

• Heterozygous Genotype

Match the following

• Translation

• Laboratory Technique Changing DNA to Develop New Variations of Plants or Animals

• Transcription

• Equally Divide Replicated Chromosomes in the Daughter Cells

• Genetic Modification

• Using DNA to make RNA in the nucleus (DNA -> RNA)

• Mitosis

• Using RNA to make protein in the ribosome (RNA -> Protein)

• Mutation

• Source of Variation in Offspring

Organize these options into the right categories

Groups:

(a) Sexual Reproduction

,

(b) Asexual Reproduction

• 2 Parents

• 1 Parent Cell

• Offspring Never Identical to Parents

• Punnett Squares Used to Predict Offspring

• Mitosis

• 2 Daughter Cells

• Offspring Identical to Parents

Human traits are determined by:

• 1 gene

• 1 or more genes

• environmental factors only

• 1 or more genes & environmental factors

Which best describes the function of DNA in a cell?

• Contains genetic information for construction of all proteins in that organism

• Controls production of proteins without environmental influence

• Genetic information for construction of only proteins made by that cell type

• Genetic information necessary for construction of all proteins for all organism

Match the following if a red flower (RR) is dominant to a white flower (rr) and they are crossed then what color will the heterozygous offspring (Rr) be?

• Red

• The flowers show Incomplete Dominance

• Pink

• The flowers show codominance

• Red and White Spotted

• The flowers show Complete Dominance

Reorder the following for production of protein molecules.

• mRNA moves to ribosome

• tRNA brings amino acid to ribosome

• Amino acid chain forms on ribosome

• DNA is template for mRNA