Pedigree/Punnett Square Review

Presentation

•

Science

•

8th Grade

•

Medium

•

NGSS

HS-LS3-1, HS-LS3-3, HS-LS3-2

Standards-aligned

Nathiele Peterson

Used 75+ times

FREE Resource

0 Slides • 26 Questions

Multiple Choice

How many generations are shown in this pedigree?

Multiple Choice

How many kids did the mother and father from the first generation have?

Multiple Choice

How many kids did the mother and father from the first generation have?

Multiple Choice

What is this?

Pedigree

Karyotype

Venn diagram

Punnett Square

Multiple Choice

Which term correctly describes an individual with a pair of the same alleles for a trait?

homologous

heterozygous

homozygous

heterologus

Multiple Choice

An individual with two different alleles for a specific trait is said to be _____________.

homozygous

heterogenous

homogenous

heterozygous

Multiple Choice

Phenotype refers to the _________ of an individual

genetic makeup

physical appearance

recessive alleles

dominant alleles

Multiple Choice

When the genotype consists of a dominant and a recessive allele, the phenotype will be like the ______________ allele.

dominant

recessive

both

neither

Multiple Choice

Which of these would best be described as a phenotype?

blue eyes

mutation

Multiple Choice

A pea plant is heterozygous for height (Tt) and it is crossed with a homozygous short (tt) plant. Use a Punnett square to determine the probability of one of their offspring being short.

100%

75%%

50%

25%

Multiple Choice

One dog carries homozygous, long-haired traits (SS), and its mate carries homozygous short-haired traits (ss). Use a Punnett square to determine the probability of one of their offspring having long hair.

100%

75%

50%

25%

Multiple Choice

How many females are in this pedigree?

Multiple Choice

How many females are in this pedigree?

Multiple Choice

How many of the males in this pedigree show the trait being studied?

Multiple Choice

When 2 pea plants heterozygous for height (Tt) are crossed, what is the ratio of the resulting genotypes (TT:Tt:tt)?

1:2:1

2:1:1

0:3:1

0:2:2

Multiple Choice

Look at the Punnett square. If the two parents represented in the Punnett square have four offspring, what does the Punnett square tells you?

two of the offspring will definitely be heterozygous.

one of the offspring will definitely show the recessive trait.

there is a 50% chance for each of the 4 offspring to have the genotype Rr.

there is a greater chance for the offspring to be RR than rr.

Multiple Choice

Which genotype is heterozygous?

Multiple Choice

Which genotype is homozygous dominant?

Multiple Choice

How many individuals are there in the 3rd generation?

Multiple Choice

What do we use pedigrees for?

To look at families

To make determinations about the offspring

To track traits in families

Nothing

Multiple Choice

Which of these would best be described as a phenotype?

Brown hair

Mutation

Multiple Choice

One flower is heterozygous red (Rr) and it is crossed with a homozygous white (rr) plant. Use a Punnett square to determine the probability of one of their offspring having a white color.

100%

25%

75%

50%

Multiple Choice

What is offspring?

children

parents

siblings

couples

Multiple Choice

An allele that is masked when a dominant allele is present. The "weaker" gene.

Dominant Allele

Recessive Allele

Multiple Choice

An allele whose trait always shows up in the organism when the allele is present. The "stronger" gene.

Dominant Allele

Recessive Allele

Multiple Choice

An organism’s genetic makeup or allele combination. (The letters)

Genotype

Phenotype

Lettertype

Physiotype

How many generations are shown in this pedigree?

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