Free Printable Weekly HW C1: Mendelian Genetics

Worksheets

Weekly HW C1: Mendelian Genetics

Total questions: 30

Worksheet time: 23mins

Name

Class

Date

Combination of two alleles

phenotype

genes

genotype

alleles

Physical expression of alleles

alleles

phenotype

genes

genotype

Different versions of a gene

DNA

traits

genes

alleles

Determined by genes on the chromosomes.

traits

genetics

DNA

genotype

Segment of DNA that determines a trait.

DNA

gene

chromsome

nucleotides

Human skin cells are examples of __.

meiosis

diploid cells

haploid cells

genetics

To make gametes or sex cells

mitosis

reproduction

meiosis

cell division

Homologous chromosomes have the same genes and same size.

True

False

Orange coat is dominant to white. What is the phenotype of a heterozygous individual?

orange

white

orange and white at the same time

light orange

10.

Having dimples is dominant to no dimples. A homozygous recessive person would ___.

have dimples

have partial dimples

have no dimples

have dimples some times

11.

Orange coat is dominant to white. What is the phenotypic ratio of a CC x cc?

4 Cc

4 orange

4 white

2 CC : 2 cc

12.

What is the genotypic ratio of a Aa x Aa?

4 Aa

2 AA : 2 Aa

2 Aa : 2 aa

1 AA : 2 Aa : 1 aa

13.

Genotype or phenotype: freckles

genotype

phenotype

14.

Genotype or phenotype: Rr

genotype

phenotype

15.

Which is hybrid?

16.

Which is heterozygous?

17.

Which is homozygous dominant?

18.

How much does each box in the punnet square account for?

25%

50%

75%

100%

19.

What percent of the offspring are hybrids?

25%

50%

75%

100%

20.

Big (B) is dominant over small (b). What percent of the offspring will be small?

25%

50%

75%

100%

21.

Green (G) is dominant over yellow (g). What percent of the offspring will be Green?

25%

50%

100%

22.

When two hybrids are crossed, what percent of the offspring will show the weaker recessive trait?

25%

50%

75%

100%

23.

In guinea pigs, curly tails (C) are dominant over straight (c). Cross a hybrid curly tailed pig with a straight pig. What percent of the offspring will have strait tails?

25%

50%

100%

24.

The observable traits of an organism are known as its

allele

dominance

phenotype

genotype

25.

Each parent contributes one of the genes for a particular trait. The genes of the pair are called:

variables

gametes

hybrids

alleles

26.

Green peas are dominant (G) to yellow peas (g). What is the genotype for a hetereozygous dominant offspring?

27.

Dominant alleles are represented by a(n)

phenotype

lower case letter

upper case letter

punnett square

28.

D = dimples d = no dimples
What is the genotype for a homozygous recessive offspring?

29.

The letters on the TOP AND SIDE of a punnett square represent ______________.

The combination of alleles in offspring.

The possible alleles given by the parents following meiosis.

The genotype and phenotype of offspring.

The results of genetic mutations in offspring.

30.

What did Mendel call the two kinds of traits exhibited by the pea plants (one coming from the father, one from the mother)?

Genesis

Elective traits

Alleles

Quadrants

100 %

Weekly HW C1: Mendelian Genetics

Total questions: 30

Worksheet time: 23mins

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