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fenix001 [56]
3 years ago
15

Sex cells in humans contain ______ chromosomes and an example is _________.

Biology
2 answers:
Oksana_A [137]3 years ago
5 0

Answer:

diploid cells

Explanation:

Cells in the human body have 23 pairs of chromosomes, or 46 in total. This includes two sex chromosomes: two X chromosomes for females and one X and one Y chromosome for males. Because each chromosome has a pair, these cells are called "diploid" cells.

adelina 88 [10]3 years ago
5 0

Answer:

homologous,haploid

Explanation:

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A gene has 2 alleles, R & B, List the possible genotypes? I also need help with questions 5, 6, 7 and 8 please help! Pls loo
irakobra [83]

Answer:

5.) The possible genotypes should be: RR RB BB ( if the could for the same proteins)

6.) Frequency of R: 0.5

7.)Frequency of R: 0.5

8.)Frequency of R: 0.375

Explanation:

5.) If R and B code for the different forms of the same protein then they are only a few possible out comes

6.) First calculate the total alleles in population

allele R= 40

Allele B=40

total allele = R+B= 40+40

=80

Now to find allele R frequency is:

(Total R alleles) / (Total allele in pop)

40/80=

0.5

7.)Calculate the total alleles

Alleles from for R

RR= 10

R=10x 2= 20

Multiply the value by 2 because there are 2 R alleles present in

RB=20

R=20

Number doesn't change there is only 1 R allele

Total R=20+20

=40

Alleles For B

BB=10

B=10×2

=20

Same thing here, two B alleles together so multiple by 2

RB=20

B=20

Total B= 20+20

=40

Total alleles in pop add

40+40

=80

Frequency of R

Total of R/Total Alleles

=40/80

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8.)Repeat the same thing in 7 but use different numbers

RR=10

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RB=10

R=10

Total R= 20+10

=30

5 0
3 years ago
Help i need an answer ill give brainleist
anzhelika [568]

Answer:

a

Explanation:

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6 0
2 years ago
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I would go for D or A! :)
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UkoKoshka [18]
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