the passage below describes the same species of fish.\nin a species of fish, some fish have long fins and…

the passage below describes the same species of fish.\nin a species of fish, some fish have long fins and some fish have short fins. the allele for long fins (f) is dominant over the allele for short fins (f).\nin a group of these fish, one fish has the genotype ff and has long fins. another fish has the genotype ff and has long fins. these two fish mate and produce many offspring.\nselect all the possible genotypes an offspring could have.\nff ff ff\nselect all the possible phenotypes an offspring could have.\nlong fins short fins

the passage below describes the same species of fish.\nin a species of fish, some fish have long fins and some fish have short fins. the allele for long fins (f) is dominant over the allele for short fins (f).\nin a group of these fish, one fish has the genotype ff and has long fins. another fish has the genotype ff and has long fins. these two fish mate and produce many offspring.\nselect all the possible genotypes an offspring could have.\nff ff ff\nselect all the possible phenotypes an offspring could have.\nlong fins short fins

Answer

Explanation:

Step1: Determine parental gametes

The first fish with genotype $FF$ can only produce gametes with allele $F$. The second fish with genotype $Ff$ can produce gametes with either $F$ or $f$.

Step2: Use Punnett - square principle

When we consider the cross between $FF$ and $Ff$, the possible combinations of alleles in the offspring are determined by combining the gametes. The possible genotypes of the offspring are obtained by pairing the gametes. The possible genotypes are $FF$ (from $F$ of the first parent and $F$ of the second parent) and $Ff$ (from $F$ of the first parent and $f$ of the second parent).

Step3: Determine phenotypes

Since the allele for long fins ($F$) is dominant over the allele for short fins ($f$), both $FF$ and $Ff$ genotypes will result in the long - fin phenotype.

Answer:

Possible genotypes: FF, Ff Possible phenotypes: long fins