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user100 [1]
2 years ago
12

Select all that apply

Biology
2 answers:
Serggg [28]2 years ago
6 0

Answer:

A

Explanation:

A structure found inside the nucleus of a cell. A chromosome is made up of proteins and DNA organized into genes. Each cell normally contains 23 pairs of chromosomes.

son4ous [18]2 years ago
6 0

Answer:

A

Explanation:

A structure found inside the nucleus of a cell. A chromosome is made up of proteins and DNA organized into genes. Each cell normally contains 23 pairs of chromosomes.

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The gene for petal color in a flower has incomplete dominance, so that individuals with two A1 alleles (A1A1) are black, individ
Verdich [7]

Answer:

The probability of getting a mottled offspring is 0%. There is no A2 allele involved in the cross.

Explanation:

<u>Available data</u>:

  • The gene for petal color in a flower has incomplete dominance
  • Two A1 alleles (A1A1) express black color
  • Two A2 alleles (A2A2) express white color
  • One of each allele (A1A2) express mottled color

In a cross between two black flowers, there is no allele A2, there are just two alleles A1. So, the cross is:

Parental)    A1A1    x    A1A1

Gametes)  A1   A1       A1   A1

Punnet Square)     A1         A1

                   A1    A1A1     A1A1

                   A1     A1A1     A1A1

F1 Phenotypes: 100% black flowers

F1 Genotype: 100% A1A1

There are 0% of probabilities of getting a mottled offspring.

7 0
3 years ago
Read 2 more answers
Some traits are determined by more than two alleles. Human skin color is determined by three different genes, resulting in sixty
Nutka1998 [239]
The answer would be b.)AaBbCc<span>They because will receive one recessive </span>allele<span> from their father and one </span>dominant<span> allele from their mother at each </span>gene<span> locus.</span>
5 0
3 years ago
Read 2 more answers
What is true about any two normal gametes from a human female parent?
Xelga [282]
The correct answer is D!!
8 0
3 years ago
Read 2 more answers
Homo sapiens (human)| size 2,900 million bases| gene # -30,000| gene density 1 gene per 100,000 bases| chromosome #46
kifflom [539]
I'd say C is correct.
7 0
3 years ago
Is it possible for two people to have the same phenotype but different genotypes ?
Dmitrij [34]

Answer:

Same phenotype but different genotype is possible due to presence of dominant allele

Explanation:

A person can have a dominant allele on both the homologous chromosomes  while another person may have single dominant allele and a corresponding recessive allele.

3 0
3 years ago
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