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Genetics Questions and Answers (Q&A)

What percentage of the Chinese population exhibit attached earlobes?
T. ADAMS, Senior Executive
Answered: Jun 13, 2019
The correct answer to this question is 36%. With the information given, we know that 64% of the Chinese population has unattatched earlobes. Those with these earlobes are the dominant group. This...Read More

2 Answers

1189 views
How do genetics work?
E. Stanley, Technical writer
Answered: Jun 27, 2018
His mother is heterozygous for color blindness. This type of condition means that some people will have trouble distinguishing one color from another color. This color vision deficiency is more...Read More

2 Answers

1092 views
What procedure would you follow if you wanted to determine the phenotype of an organism?
John Smith
Answered: Dec 24, 2024
Look at the physical characteristics of the organism

2 Answers

1016 views
What type of allele produces its effects only in homozygous individuals
Kleigh
Answered: Dec 24, 2024
Recessive

1 Answer

913 views
Which of the following statements is incorrect about genes?
L. Brett, Sales Manager
Answered: Feb 28, 2019
Not all genes are located in the nucleus, some genes, especially in plant cells, where the genes are located in the mitochondria and plastids. The mitochondria have the capability to synthesize...Read More

2 Answers

889 views
What is the study of heredity?
H. Martin, Content Writer
Answered: Oct 16, 2018
Genetics is the study of heredity. Within the past ten years, people have had more accessibility to their heritage and information about their ancestors. There are several companies that have...Read More

2 Answers

870 views
What is a synonym to homozygous recessive?
John Adney
Answered: Mar 03, 2017

Purebred because a purebred is only two capital letters, AA which is homo dominant but a homo recessive would be Aa.

2 Answers

868 views
What percentage of their children would have brown hair if one parent had a dominant trait (brown hair), and the other parent had a recessive trait (blonde hair), and both had pure genotypes?
C. Marcus, Content Developer
Answered: Aug 08, 2019
The correct answer to this question is 100%. The question includes a blank Punnett square, in which the student can fill in to get the correct answer. Punnett squares are square diagrams, which...Read More

2 Answers

866 views
What is the study of heredity called?
O. Bickis, Corporate employee
Answered: May 01, 2019
The study of heredity is called genetics.
Genetics is a branch of biology that deals with the transmission and variation of inherited characteristics. It also refers to the genetic makeup...Read More

3 Answers

852 views
How can I find out my genotype without a blood test?
C. Perez, Writer
Answered: Jul 15, 2019
The process of finding out one's genotype has become popular in the last few years. There have been companies to rise to help find the genotype without a blood test. One of those companies is...Read More

3 Answers

846 views
Which word is a synonym to homozygous dominant?
C. Bernthal, Teacher
Answered: Jan 02, 2019
There is a nearest-to-meaning amongst these answers but not truly a synonym. Purebred is a popular but unscientific word, but it gives the idea of a lack of influence from other allelles....Read More

3 Answers

836 views
What type of trait is albinism based on the information? Below is a pedigree for albinism.
J. Shatner, Content writer
Answered: Feb 01, 2019
The answer to this question is X linked and recessive. If you are not familiar with Albinism, this is a type hereditary disorder that is often related to hypopigmentation. One of the most common...Read More

3 Answers

753 views
What proportion of gametes will carry the recessive allele if in a pea plant that is heterozygous for seed color?
John Adney
Answered: Jun 23, 2017

Since it is heterozygous (Cc), it's 1/2 recessive (cc) and 1/2 dominant (1/2).

2 Answers

701 views
What is the frequency of the recessive (attached ear lobe) allele in the Chinese population?
Neave Corr
Answered: Jun 11, 2019
As 64% had unattached, p = 0.64 so q= 0.36. The frequency of the recessive allele consists of the recessive homozygous and the heterozygous group. So to find out the total, sub those values into...Read More

2 Answers

665 views
What type of cell does mitosis create?
Malcolm Carneal, Digital Nomad
Answered: Sep 19, 2018
The main goal of mitosis is to make sure that it produces identical cells of the original cells. This means if a diploid cell is to undergo mitosis, the end result should be two daughter cells...Read More

2 Answers

619 views

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