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Laabri

Copy of Monohybrid Crosses and Pedigrees Quiz 25-26 (5/2/2026)

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Last updated about 3 hours ago
14 Nsɛmmisa
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B.C.6F
BIO.8.B
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B.C.6F
BIO.8.B
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BIO.8.B
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B.C.6F
BIO.8.B
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BIO.8.B
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B.C.6F
BIO.8.B
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B.C.6F
BIO.8.B
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B.C.6F
BIO.8.B
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B.C.6F
BIO.8.B
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Ɛhia
1

In humans, a straight thumb is dominant to hitchhiker's thumb.

Ɛhia
1
Asemmisa {{asɛmmisaAhyɛnsode}}
1.

If Emily is pure dominant, what is her genotype?

Asemmisa {{asɛmmisaAhyɛnsode}}
2.

Identify the genotypes of the parents in the boxes provided.

Mmuae Afoforo a Wobɛpaw:
tt
tall
short
TT
Tt
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3.

A genetic cross involving one gene is represented below.

Ee X EE

Which genotype is NOT possible in the offspring produced by the cross?

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4.

Possible genotypes and phenotypes of angelfish are shown below.

Which table shows the expected phenotypes of offspring resulting from a silver angelfish and a heterozygous black angelfish?

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5.

In cattle the allele for cloven hooves (H) is dominant over the allele for mule-foot hooves (h). The phenotypes for each trait are shown below in the picture.

The probability (% chance) that the offspring will have cloven hooves if both parents are heterozygous is %.

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6.

In tomato plants, hairless stems are present in tomato plants that are homozygous recessive for that trait. Plants that have the dominant trait have hairy stems.

If a homozygous recessive plant mates with a heterozygous plant, of the offspring will have hairless stems.

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7.

Albinism (a) is a recessive condition. Normal pigmentation (A) is dominant. In order to have albinism you must have two recessive alleles.

Which circle graph shows the genotype probability when an albino female mates with a male that is homozygous dominant?

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8.

A baby with the recessive green eyes trait has two brown eyed parents.

Based on this information above, which of the following must be TRUE?

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9.

In humans, tongue rolling is dominant. NOT being able to roll your tongue is recessive.

Juliet has one gene for being able to roll her tongue and one gene for not being able to roll her tongue.

When Juliet has children, which of the following will be TRUE?

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10.

The inheritance pattern for hair color in a family is shown below.

Which child can ONLY have light hair color?

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11.

A model of the genetic control of fruit fly eye color is shown.

Which Punnett square represent a cross that would produce Sepia (tan) offspring?

This question has two parts.

In cattle, the hornless trait is dominant to the horned trait. A farmer starts with a herd of cattle heterozygous for the horned trait and wants to keep the herd hornless. To keep the hornless trait, the farmer builds fences around the farm to prevent the cattle from mating with any horned cattle in the area.

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Asemmisa {{asɛmmisaAhyɛnsode}}
12a.

Which statement best describes what will MOST LIKELY happen to the cattle population on the farm over time?

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1
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13.

Cystic fibrosis is an autosomal recessive disorder that impacts the ability of the lungs to remove mucus. The figure shows a family affected by Cystic fibrosis.

What is the probability that Child 1 will have Cystic fibrosis?

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12b.

Which evidence supports your answer for Part A?