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FinnZ [79.3K]
3 years ago
5

Consider a diploid cell with homologous pair of chromosomes, each with alleles of the two genes F and H located in close proximi

ty to each other. The maternal chromosome has the dominant allele of each gene (F and H) and the paternal chromosome has the recessive allele of each gene (f and h). After meiosis is completed, what are the potential genotypes of the four gametes formed from this parent cell?
Biology
1 answer:
weeeeeb [17]3 years ago
5 0

Answer:

<h2>FH, Fh, fH, fh </h2>

Explanation:

F is dominant on f;

D is dominant on d.

maternal chromosome FH. ( both are homozygous dominant)

Paternal chromosom fh ( both are homozygous recessive )

so parental cell is FfHh,

After meiosis; four  haploid cells are produced,

gametes are FH, Fh, fH and  fh.

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How is an increase in carbon in the atmosphere likely to affect coastal areas such as those in North Carolina?
inn [45]

Answer:

The tides will rise

Explanation:

8 0
3 years ago
N2 is the chemical formula
Marizza181 [45]

Answer:

B. Nitrogen gas

Explanation:

8 0
2 years ago
The ABO blood group has three alleles (A, B, O). If a woman with genotype AO mates with a man with genotype BB, the expected pro
blagie [28]

Answer:

C. 100 percent

Explanation:

The woman is heterozygote: AO, while the man is homozygote: BB

By crossing the two:

AO   x  BB

A+B, A+B, O+B, O+B

AB, AB, OB, OB

We have two AB and two OB offspring. Both AB and OB are heterozygotes.

Thus all their offspring will be heterozygous.

<em>Had the question asked what proportion will be OB, the answer would have been 50%.</em>

Since the question asked, what proportion will be heterozygotes and not about the specific genotype, the correct answer is C. 100 percent

6 0
3 years ago
(Mendelian Genetics) Consider three gene pairs Aa, Bb, and Cc. The uppercase letter is the dominant allele and each gene pair as
Dafna11 [192]

Answer:

9/16

Explanation:

The cross was Aa Bb CC X Aa Bb cc

Because genes assort independently, we can analyze each of them separately in the cross, calculate the probability of getting offpsring with a dominant allele, and then multiply each of those probabilities to obtain the overall probability of having A_B_C_ progeny.

<u>A/a</u>

Aa x Aa ---> 3/4 A_, 1/4 aa

<u>B/b</u>

Bb x Bb ---> 3/4 B_, 1/4 bb

<u>C/c</u>

CC x cc ---> 1 C_

3/4 × 3/4 × 1 = 9/16 A_B_C_ offspring.

5 0
3 years ago
Put the following processes of protein synthesis in the correct order.
diamong [38]

<u>Correct sequential order for the following processes of protein synthesis are as follows:</u>

  • DNA strands unwind and separate
  • mRNA copies DNA according to complimentary base pairing  
  • mRNA leaves the nucleus
  • tRNA’s anticodons bring amino acids to the corresponding mRNA codons at the ribosomes
  • amino acids bind to each other making a polypeptide
  • a stop codon is reached, the newly formed a protein is released to go do its job for the cell

Option A --> B --> C --> E --> D -->F

<u>Explanation:</u>

Protein synthesis involves three major steps which are Replication of DNA, which is then transcribed and then translated to form protein, so the steps are Replication, Transcription and Translation.

Firstly, the DNA is a double stranded molecule which needs to be unwind as a replica where one of the strand becomes the template strand and transcription of strand occurs with mRNA.

mRNA thus leaves the nucleus and reaches cytoplasm where translation takes places and the tRNA provides specific anti codons to the mRNA codons and the amino acids are formed.

All amino acids bind to each other in order to make a polypeptide and hence the protein molecule newly formed is released to the cell.

5 0
3 years ago
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