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Laabri

Genetics Test

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Last updated 6 months ago
26 Nsɛmmisa
Hyɛ no nsow a efi ɔkyerɛwfo no hɔ:

kjkj

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Asemmisa {{asɛmmisaAhyɛnsode}}
1.

In the case of regular dominance, dominant traits will hide a recessive trait.

Asemmisa {{asɛmmisaAhyɛnsode}}
2.

A carrier is a person who has

Asemmisa {{asɛmmisaAhyɛnsode}}
3.

When an alelle masks (or hides) another allele it is known as a

Asemmisa {{asɛmmisaAhyɛnsode}}
4.

The alternate forms of a gene (like in the picture) are known as:

Asemmisa {{asɛmmisaAhyɛnsode}}
5.

Another name for sperm and egg is

Asemmisa {{asɛmmisaAhyɛnsode}}
6.

What does this picture represent?

Asemmisa {{asɛmmisaAhyɛnsode}}
7.

Sections of chromosomes that code for specific instructions are:

Asemmisa {{asɛmmisaAhyɛnsode}}
8.

An organism’s physical appearance is it's

Asemmisa {{asɛmmisaAhyɛnsode}}
9.

An organism that has two identical alleles for a trait like TT or tt, is known as

Asemmisa {{asɛmmisaAhyɛnsode}}
10.

A hybrid is the offspring of parents that have different alleles for a trait.

Asemmisa {{asɛmmisaAhyɛnsode}}
11.

Recessive alleles are represented by a capital letter.

Asemmisa {{asɛmmisaAhyɛnsode}}
12.

If a person has a total of 46 chromosomes in their body cells, how many chromosomes are in their sex cells?

Asemmisa {{asɛmmisaAhyɛnsode}}
13.

The passing of traits from parent to offspring is called

Asemmisa {{asɛmmisaAhyɛnsode}}
14.

A heterozygous organism has

Peas come in different colors!

Green is dominant and yellow is recessive.

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Asemmisa {{asɛmmisaAhyɛnsode}}
15.

Make a Punnett Square for a cross between two HETEROZYGOUS GREEN pea plants. (you may use whatever letter you would like)

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Asemmisa {{asɛmmisaAhyɛnsode}}
16.

What is the probability of the offspring from the cross you just did, having a phenotype of yellow?

Remember: Green is COMPLETELY dominant (no in-between phenotype) and yellow is recessive.

Asemmisa {{asɛmmisaAhyɛnsode}}
17.

  1. Draw a Punnett square below

  2. Show all the probabilities (percentages) of the genotypes of the offspring

The parents are: a Medium Muscled (Mm) male and a Typical (mm) female cow. REMEMBER: MUSCLED COWS CAN HAVE HYBRIDS.

Asemmisa {{asɛmmisaAhyɛnsode}}
18.

  1. Draw a Punnett square below

  2. Show all the probabilities (percentages) of the genotypes of the offspring

A male with type O (ii) blood has a child with a woman who is heterozygous for type A (Ai) blood.

Asemmisa {{asɛmmisaAhyɛnsode}}
19.

  1. Draw a Punnett square below

  2. Show all the probabilities (percentages) of the genotypes of the offspring

In some chickens, the gene for feather color is controlled by codominance. The allele for black is B and the allele of white is W. The heterozygous phenotype is known as erminette (BW), meaning black and white feathers appear together.

Two erminette chickens were crossed. Show the Punnett Square

Asemmisa {{asɛmmisaAhyɛnsode}}
20.

Where do we get our genetic information from?

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21.

Why are sex linked traits more common in males than in females?

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22.

What is the probability that the offspring of a homozygous dominant individual and a homozygous recessive individual will exhibit the dominant phenotype? You can use the Punnett Square attached to help you.

THIS IS FOR A COMPLETE DOMINANCE INHERITANCE (THERE IS NO HYBRID- no in-between phenotype)

Asemmisa {{asɛmmisaAhyɛnsode}}
23.

Tallness (T) is dominant over shortness (t) in pea plants. Which of the following represents the genotype of a pea plant that is heterozygous for tallness?

Asemmisa {{asɛmmisaAhyɛnsode}}
24.

Is this an example of sexual or asexual reproduction?

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25.

An example of a sex linked trait is

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26.

The genotypes on the inside of a punnett square belong to the