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Genetics Review

Test Description: Genetics Review Games

Instructions: Answer all questions to get your test result.

1) _________ is considered the father of modern Genetics

AAlbert Einstein BAlfred Wegner CGregory Munchowser DGregor Mendel

2) Which of the following is NOT TRUE of DNA

AIt contains the genetic code that gets passed from parents to offspring BHumans have 72 strands of it in every cell CIt is found in the nucleus of all eukaryotic cells DIt stands for DeoxyRiboNucleic Acid

3) The genotype GG means the organisms _______ for that trait

AHomozygous BRecessive CA hybrid DHeterozygous

4) Which of the following is true of the genotype Gg?

AIt is considered a purebred BIt is homozygous CIt would show the dominant phenotype DIt would show the recessive phenotype

5) Tall plants are dominant to short. That means:

Att would be homozygous for the tall trait. Bt equals tall and s equals short CBoth TT and Tt genotypes would be tall DT equals tall, and s equals short

6) Incomplete Dominance occurs when :

Athe alleles blend together to make an entirely new phenotype BBoth alleles are present in the offspring COne trait clearly masks the presence of another DBoth alleles try to maintain dominance

7) If Maggie is a purebred for blue skin, which is a recessive trait to Yellow, what is her genotype?

ABb BYb Cbb Dyy

8) if you cross 2 heterozygous parents, how many of the offspring will exhibit the recessive allele?

A100% B50% C0% D25%

9) Cross between one heterozygous parent and a Purebred Dominant will yield how many offspring with the recessive trait

A25% B100% C0% D50%

10) Which of the following is not true of mitosis?

AIt results in 4 genetically different cells called gametes BIT is used for asexual reproduction CBody cells use it for growth and repair DIt results in 2 identical daughter cells

11) A strand of DNA coiled tightly around a protein is called

AA chromosome BA gene CCRISPR DA base pair

12) Genetic Variation in offspring is a result of ______

AMitosis BSelective Breeding CSexual Reproduction DGenetic Engineering

13) Dog breeds, large corn kernels and beefy cattle are all a result of ______

ANatural Selection BSelective Breeding CAsexual Reproduction DGenetic Engineering

*select an answer for all questions

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