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1.- a) two b)Diploid c) Hemizygous d) Allele e)four f) fertilization g) Mitosis

ID: 89953 • Letter: 1

Question

1.- a) two b)Diploid c) Hemizygous d) Allele e)four f) fertilization g) Mitosis h) heterozygous i) genes j) Meiosis k) One l) homozygous m)punnett square

-An individual with two identical copies of an allele for a gene

- The process which creates sperm and eggs

-Somatic cells are

- ____________ copy/copies of each allele are in a sperm cell.

- Alternate forms of a trait

-This process provides for the prediction of the genotypes of offspring.

2.-

% Phenotypically dominant _____

% Homozygous _____

3. For the cross RRDd x rrDd indicate all possible genotype(s) for the offspring.

RrDD b) RrDd c)RRDD d)RRDd e) rrDD f) Rrdd g) rrDd

4. For the cross GG x Gg choose the genotypic ratio ___and the phenotypic ratio___

5. For the cross Gg x Gg choose the genotypic ratio ___ and the phenotypic ratio ___

6.For the cross gg x Gg choose the genotypic ratio ___ and the phenotypic ratio ___

7. For the cross Ll x LL choose the genotypic ratio ___ and the phenotypic ratio ___

A A A 1 2 a 3 4

Explanation / Answer

1. a)

-An individual with two identical copies of an allele for a gene- Diploid

-The process which creates sperm and eggs- Meiosis

-Somatic cells are two copies of each allele are in a sperm cell.

-Alternative forms of a trait-Allele

-This process provides for the prediction of the genotypes of offspring- Punnett square

2. % Phenotypically dominant _100____

% Homozygous __50___

3. For the cross RRDd x rrDd indicate all possible genotype(s) for the offspring

a) RrDD b) RrdD c) RrDd d) Rrdd

4. For the cross GG x Gg choose the genotypic ratio _2:2__and the phenotypic ratio_4:0__

5. For the cross Gg x Gg choose the genotypic ratio _1:3__ and the phenotypic ratio _4:0__

6.For the cross gg x Gg choose the genotypic ratio _2:2__ and the phenotypic ratio _2:2__

7. For the cross Ll x LL choose the genotypic ratio 2:2___ and the phenotypic ratio _4:0__