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4 0

3 years ago

Daughter cells in meiosis will receive either ALL chromosomes from the father or ALL from the mother

amid [387]

False , they receive half

4 0

3 years ago

Read 2 more answers

Which statement correctly describes amphipathic (or amphiphilic) helices and sheets?Helices are typically hydrophilic on one sur

Sloan [31]

Answer:

The correct answer is the last statement.

Explanation:

Amphipathic refers to a substance that comprises both hydrophobic and hydrophilic surfaces. Thus, the given first three statements are incorrect. The amphipathic helices are witnessed on the proteins surfaces in which the hydrophilic region associates with the aqueous phase and the hydrophobic regions associate with the hydrophobic component of the protein.

Both the amphipathic sheets and helices exhibit primarily the hydrophobic or hydrophilic residues on one face. Thus, the correct answer is the last statement.

6 0

3 years ago

A man who has male pattern baldness (X^bY) marries a woman who does not carry the allele (X^BX^B). What genotypic ratios would b

JulijaS [17]

Answer:

2 $X^BX^b$ :2 $X^BY$

Explanation:

The genotypic ratio of expected of their offspring would be 2 $X^BX^b$ :2 $X^BY$ .

From the illustration, the genotype of the man with male pattern baldness is $X^bY$ while the genotype of the woman without the baldness allele is $X^BX^B$ .

Crossing the two genotypes in marriage:

$X^bY$ x $X^BX^B$

Progeny: $X^BX^b$ $X^BX^b$ $X^BY$ $X^BY$

Hence, the genotypic ratio of the offspring becomes:

2 $X^BX^b$ :2 $X^BY$

7 0

3 years ago