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Laabri

5.4 Pedigrees Lesson

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Last updated about 3 hours ago
13 Nsɛmmisa
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Asemmisa {{asɛmmisaAhyɛnsode}}
1.
Draggable itemarrow_right_altCorresponding Item

unaffected female

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heterozygote (carrier)

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unaffected male

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affected male

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affected female

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Asemmisa {{asɛmmisaAhyɛnsode}}
2.

How many total males are there?

Asemmisa {{asɛmmisaAhyɛnsode}}
3.

How many males have hemophilia?

Asemmisa {{asɛmmisaAhyɛnsode}}
4.

How many total females are there?

Asemmisa {{asɛmmisaAhyɛnsode}}
5.

How many females have hemophilia?

Asemmisa {{asɛmmisaAhyɛnsode}}
6.

How many marrages are there?

Asemmisa {{asɛmmisaAhyɛnsode}}
7.

How many children did the couple in gerenation 3 (III) have?

Asemmisa {{asɛmmisaAhyɛnsode}}
8.

Pedigree 1 shows a family of parrots. One offspring shows the trait for blue feathers. (R = red feathers, r = blue feathers).

Do you think blue feathers is dominant or recessive? How did you know? Support your answer.

Asemmisa {{asɛmmisaAhyɛnsode}}
9.

Pedigree 1 shows a family of parrots. One offspring shows the trait for blue feathers. (R = red feathers, r = blue feathers).

What must the genotypes of both parents be? You may leave out the sex genotype (XX or XY)

Feel free to draw the punnet square if that helps you. Not required.

Asemmisa {{asɛmmisaAhyɛnsode}}
10.

Pedigree 2 shows two banana trees that were crossed to produce four F1 plants. Shaded individuals have green leaves. Some of the plants have green leaves and some have yellow leaves.

If green leaves are dominant, which parent has yellow leaves – the male or the female?

Asemmisa {{asɛmmisaAhyɛnsode}}
11.

Pedigree 3 is studying hair color in a family. In humans, dark hair (B) is dominant to blonde hair (b). In this case, individuals who are shaded are dark-haired. Individuals who have clear circles are blonde.

What are the genotypes of the parents? Hint: They have dominant AND recessive children.

Asemmisa {{asɛmmisaAhyɛnsode}}
12.

Pedigree 3 is studying hair color in a family. In humans, dark hair (B) is dominant to blonde hair (b). In this case, individuals who are shaded are dark-haired. Individuals who have clear circles are blonde.

What are the genotype of the sons?

Asemmisa {{asɛmmisaAhyɛnsode}}
13.

Pedigree 3 is studying hair color in a family. In humans, dark hair (B) is dominant to blonde hair (b). In this case, individuals who are shaded are dark-haired. Individuals who have clear circles are blonde.

What are the two possible genotypes of the daughters?