Pea plants produce green or yellow peas. The gene for yellow peas is dominant and the gene for green peas is recessive. Say two yellow pea plants are crossed and produce three yellow pea plants and one green pea plant. What are most likely the genotypes of the yellow pea plants?

Both are heterozygous yellow pea plants.

Both are homozygous yellow pea plants.

One is homozygous yellow and the other is homozygous green.

One is heterozygous yellow and the other is homozygous yellow.

In his laboratory, Jin is studying the genetics of mice. For a particular trait, an adult female mouse has the alleles AA , and an adult male mouse has the alleles Aa . Which of these questions could Jin answer by using a Punnett square?

What possible combinations of alleles could the offspring of these adults inherit?

Do these two adult mice have any other alleles in common?

Are AA and Aa the only alleles present in these two adult mice?

Is this gene associated with an inherited trait or an acquired trait?

In humans, brown eyes (B) are dominant over blue (b)*. A brown-eyed man marries a blue-eyed woman and they have three children, two of whom are brown-eyed and one of whom is blue-eyed. Draw the Punnett square that illustrates this marriage. What is the man’s genotype?

Impossible to determine with the information provided

Genotype refers to the ...

the possible combination of alleles in a gene

physical expression of the genes

whether an allele is dominant or recessive

How are your chromosomes inherited?

half your chromosomes from your mother and half from your father.

most of your chromosomes from your mother

most of your chromosomes from your father

a random number of chromosomes from each parent

B = brown eyes b = blue eyes What is true about these two brothers that have brown eyes? One has genotype BB the other Bb.

they have same phenotype but different genotypes

they have same phenotype and genotype

they have different genotypes and phenotypes

they have same genotype but different phenotypes

Genetics Lesson Review Open Sci Ed

Authored by Charles Martinez

Biology

7th Grade

NGSS covered

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26 questions

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MULTIPLE CHOICE QUESTION

1 min • 1 pt

The passing of traits from parent to offspring

Heredity

Genetics

Hybrid

Probability

Who was the father of genetics

Sagan

Issac Newton

Gregor Mendel

C.jenkins

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

which is heterozygous ?

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

predicts the outcomes for the children

Phenotype:100% of the offspring will be straight hair

Phenotype: 50% of the offspring will be straight hair and 50% curly hair

Genotype: 0 % of the offspring will be Cc

Genotype: 50% of the offsprings will be CC

What are the parents alleles

BB and BB

BB and Bb

Bb and Bb

Bb and bb

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Which is homozygous ?

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

what predicts the outcome

genetic engineering

punnet square

probability

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Genetics Lesson Review Open Sci Ed

The passing of traits from parent to offspring

Who was the father of genetics

which is heterozygous ?

predicts the outcomes for the children

What are the parents alleles

Which is homozygous ?

what predicts the outcome

Which of the following is a phenotype?

The man who studied genetics and came up with genetics is

What is a phenotype

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