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yan [13]
3 years ago
8

The second generation phenotypes resulting from the cross of true-breeding monohybrid pollination will display a ratio of _____.

Biology
1 answer:
Talja [164]3 years ago
3 0
I believe it would be a 3:1 ratio
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Jill was playing with her baby sister and noticed that she stopped making noises after looking closely at her sister she saw tha
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2 years ago
In the polymerization of DNA, a phosphodiester bond is formed between a phosphate group of the nucleotide being added and which
Morgarella [4.7K]

Answer:

3' OH ( hydroxyl group).

Explanation:

DNA is present as the genetic material in almost all the living organisms except in case of some viruses only. DNA is made of the polymers of the nucleotides.

The phosphodiester bond is present between the two nucleotide chains. The phosphodiester is a covalent bond formed in which the phosphate group of nucleotide is involved with the hydroxyl group of the sugar and a small molecule like water is removed during the process.

Thus, the correct answer is  3' OH ( hydroxyl group).

4 0
3 years ago
In a diploid individual, one chromosome carries A and B genes, and the homologous chromosome carries different forms (alleles) o
Helen [10]

Answer:

D

Explanation:

This involves a dihybrid inheritance I.e. two genes are being passed on. During meiosis, specifically, the Prophase stage, homologous chromosomes (similar but non-identical chromosomes received from each parent) line side by side. According to the question, one chromosome contains A and B alleles and its homologue, received by the other parent carries a and b alleles. This means that the diploid individual has a genotype AaBb for that gene.

According to Mendel's law of independent assortment, the alleles separate independently of one another into gametes. I.e. allele A and a separates into the gametes without affecting alleles B and b of the other gene.

Crossing-over, which is the exchange of chromosomal segment occurs between the two homologues. Hence, the exchange of chromosomal segments containing alleles in the individual will possibly produce four gametes with the genotypes: AB, Ab, aB, ab.

4 0
3 years ago
What term is used to describe a retrograde flow of urine from the urinary bladder into the ureters that is the cause of recurren
maxonik [38]

Answer:

Vesicoureteral reflux (VUR)

Explanation:

8 0
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3 years ago
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